HP Compaq Business Desktop dc7100 Series Reference Manual Download Page 118

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361288-003

Service Reference Guide, dc7100

Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis

6.21 Chassis Fan

1. Prepare the computer for disassembly (Section

6.1

2. Remove the computer access panel (Section

6.5

3. Disconnect the fan control cable from the system board.

4. Remove the four screws that secure the fan assembly to the chassis

and then remove the

fan assembly

To install the fan assembly, reverse the removal procedure.

Summary of Contents for Compaq Business Desktop dc7100 Series

Page 1: ...er 2005 2nd Edition October 2004 1st Edition July 2004 This document provides information on the removal and replacement of all parts as well as information on troubleshooting Desktop Management setup utilities SATA and PATA drives safety routine care connector pin assignments POST error messages and diagnostic indicator lights ...

Page 2: ...of this material The information in this document is provided as is without warranty of any kind including but not limited to the implied warranties of merchantability and fitness for a particular purpose and is subject to change without notice The warranties for HP products are set forth in the express limited warranty statements accompanying such products Nothing herein should be construed as co...

Page 3: ... 15 2 3 2 Installing Diagnostics for Windows 2 15 2 3 3 Using Categories in Diagnostics for Windows 2 16 2 3 4 Running Diagnostic Tests in Diagnostics for Windows 2 17 2 4 Configuration Record 2 18 2 4 1 Installing Configuration Record 2 19 2 4 2 Running Configuration Record 2 19 3 Desktop Management 3 1 Initial Configuration and Deployment 3 1 3 2 Remote System Installation 3 2 3 3 Software Updat...

Page 4: ... Cable 4 2 4 2 3 PATA Data Cable 4 3 4 2 4 PATA Power Cable 4 3 4 2 5 PATA Cable Layout 4 4 4 3 PATA Drive Installation Guidelines 4 5 4 3 1 PATA Device Classes 4 5 4 3 2 PATA Attach Sequence Rules by Class Priority 4 6 4 3 3 PATA Attach Sequence Worksheet 4 7 4 3 4 PATA Additional Drive Application Notes 4 9 4 4 ATA SMART Drives 4 10 4 5 Drive Capacities 4 10 4 6 SATA BIOS 4 11 4 6 1 Legacy Mode ...

Page 5: ...ernal Security Devices 6 4 6 4 1 Cable Lock 6 4 6 4 2 Padlock 6 5 6 5 Computer Access Panel 6 6 6 6 Front Bezel 6 7 6 7 Front Drive Bezels 6 8 6 7 1 5 25 Drive Bezel Blank 6 8 6 7 2 Diskette Drive Bezel or Bezel Blank 6 9 6 8 Cable Management 6 10 6 9 Memory 6 11 6 10Expansion Cards 6 13 6 11PCI Retainer Latch 6 17 6 12Expansion Card Guide 6 19 6 13Drives 6 20 6 13 1Drive Positions 6 20 6 13 2Hard...

Page 6: ... Oriented Expansion Card 7 22 7 10 1Expansion Card Cage 7 22 7 10 2PCI Expansion Card 7 22 7 10 3Riser Card 7 25 7 11Drives 7 26 7 11 1Drive Positions 7 26 7 11 2Optical Drive 7 27 7 11 3External 3 5 inch Drive 7 29 7 11 4Primary Hard Drive 7 30 7 12Fan Shroud 7 34 7 13Front I O Devices 7 35 7 14Power Switch Assembly 7 39 7 15Heatsink 7 40 7 16Processor 7 41 7 17Speaker 7 43 7 18Power Supply 7 44 ...

Page 7: ...Card Retaining Latch 8 18 8 15Hard Drive 8 19 8 16Front I O Device 8 21 8 17Heatsink Assembly 8 22 8 17 1Heatsink Fan with Shroud 8 23 8 18Processor 8 24 8 19Power Supply 8 26 8 20Battery 8 27 8 20 1Type 1 Battery Holder 8 28 8 20 2Type 2 Battery Holder 8 29 8 20 3Type 3 Battery 8 30 8 21Speaker 8 31 8 22System Board 8 32 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messa...

Page 8: ...viii 361288 003 Service Reference Guide dc7100 Contents ...

Page 9: ... language on the hard drive the installation process could take up to 60 minutes 1 1 Installing or Upgrading Device Drivers To install hardware devices such as a printer a display adapter or network adapter after the operating system installation is completed the operating system needs access to the appropriate software drivers for the devices If prompted for the I386 directory replace the path sp...

Page 10: ...k Start All Programs Accessories System Tools Backup 2 Use the Backup or Restore Wizard to restore files from a backup file A backup file can be on a hard disk a floppy disk CD USB flash media device tape drive or any other removable or nonremovable media 1 4 Converting to NTFS Windows XP Professional To convert a FAT or FAT32 volume to NTFS 1 Click Start All Programs Accessories Command Prompt 2 ...

Page 11: ...s and utilities are available only in selected languages You can obtain the latest version of these files in English and selected other languages in one of three ways Support Software CD HP Web site at www hp com Restore Plus CD which is supplied with many HP models Additional HP software may be required in certain situations ...

Page 12: ...1 4 361288 003 Service Reference Guide dc7100 Installing the Operating System ...

Page 13: ...st POST Establish and manage passwords and other security features Establish and manage energy saving timeouts All features identified in this chapter may not be available on all HP products 2 1 Power On Self Test POST POST is a series of diagnostic tests that runs automatically when the system is turned on POST checks the following items to ensure that the computer system is functioning properly ...

Page 14: ...ected To manually switch to Post Messages Enabled during POST press any key except F1 through F12 Establish an Ownership Tag the text of which is displayed each time the system is turned on or restarted Enter the Asset Tag or property identification number assigned by the company to this computer Enable the power on password prompt during system restarts warm boots as well as during power on Estab...

Page 15: ...ee a Keyboard Error message disregard it 3 Select your language from the list and press the Enter key 4 A choice of five headings appears in the Computer Setup Utilities menu File Storage Security Power and Advanced 5 Use the arrow left and right keys to select the appropriate heading Use the arrow up and down keys to select the option you want then press Enter To return to the Computer Setup Util...

Page 16: ...d 1 44 MB diskette a USB flash media device or a diskette like device a storage device set to emulate a diskette drive Restore from Removable Media Restores system configuration from a diskette a USB flash media device or a diskette like device Default Setup Save Current Settings as Default Saves the current system configuration settings as the default Restore Factory Settings as Default Restores ...

Page 17: ...ype Emulation Options ATAPI Zip drive None treated as Other Diskette treated as diskette drive ATA Hard disk None treated as Other Hard disk treated as hard drive Legacy diskette No emulation options available CD ROM drive No emulation options available ATAPI LS 120 None treated as Other Diskette treated as diskette drive Default Values IDE SATA Multisector Transfers ATA disks only Specifies how m...

Page 18: ... heads and sectors per track used by the BIOS to translate disk I O requests from the operating system or an application into terms the hard drive can accept Logical cylinders may not exceed 1024 The number of heads may not exceed 256 The number of sectors per track may not exceed 63 These fields are only visible and changeable when the drive translation mode is set to User Storage Options Removab...

Page 19: ...s appear as one combined IDE controller Use this option with Microsoft Windows 98 and earlier operating systems PATA Primary Device 0 replaces SATA 1 PATA Primary Device 1 replaces SATA 3 IDE Controller Allows you to enable or disable the primary IDE controller This feature is supported on select models only Primary SATA Controller Allows you to enable or disable the Primary SATA controller Second...

Page 20: ...rom the selected non default device for this one time Security Setup Password Allows you to set and enables setup administrator password If the setup password is set it is required to change Computer Setup options flash the ROM and make changes to certain plug and play settings under Windows See the Troubleshooting Guide on the Documentation CD for more information Power On Password Allows you to ...

Page 21: ...number or Universal Unique Identifier UUID number The UUID can only be updated if the current chassis serial number is invalid These ID numbers are normally set in the factory and are used to uniquely identify the system Keyboard locale setting for example English or German for System ID entry DriveLock Security Allows you to assign or modify a master or user password for MultiBay hard drives When...

Page 22: ... processor is idle ACPI S3 Support Enables or disables ACPI S3 support ACPI S3 Hard Disk Reset Enabling this causes the BIOS to ensure hard disks are ready to accept commands after resuming from S3 before returning control to the operating system ACPI S3 PS2 Mouse Wakeup Enables or disables waking from S3 due to PS2 mouse activity Hardware Power Management SATA power management enables or disables...

Page 23: ... cause the system to display a message before loading options ROMs This feature is supported on select models only Remote wakeup boot source remote server local hard drive After Power Loss off on previous state After power loss if you connect your computer to an electric power strip and would like to turn on power to the computer using the switch on the power strip set this option to ON If you tur...

Page 24: ...by the microprocessor Enable this feature if booting to WinNT BIOS Power On Allows you to set the computer to turn on automatically at a time you specify Onboard Devices Allows you to set resources for or disable onboard system devices diskette controller serial port or parallel port PCI Devices Lists currently installed PCI devices and their IRQ settings Allows you to reconfigure IRQ settings for...

Page 25: ...atterns Allows you to choose an LED blink pattern that uniquely identifies each sleep state Integrated Video enable disable Allows you to use integrated video and PCI Up Solution video at the same time available on select models only Inserting a PCI or PCI Express video card automatically disables Integrated Video When PCI Express video is on Integrated Video must remain disabled Monitor Tracking ...

Page 26: ...l categories of information about the computer and the Test tab The information in every screen of the utility can be saved to a file or printed To test all subsystems you must log in as the administrator If you do not log in as the administrator you will be unable to test some subsystems The inability to test a subsystem will be indicated by an error message under the subsystem name in the Test w...

Page 27: ... Windows utility In Windows XP select Start Software Setup icon Select Diagnostics for Windows Next button then follow the instructions on the screen In Windows 2000 select the Setup Software icon on the Desktop Diagnostics for Windows Next button then follow the instructions on the screen In either Windows XP or Windows 2000 if the Setup Software Software Setup icon is not on the Desktop or in th...

Page 28: ...r click Level at the top of the screen and select More 4 Review print and or save this information as desired To print the information click File Print Select one of the following options Detailed Report All Categories Summary Report All Categories or Current Category Click OK to print the report you selected To save the information click File Save As Select one of the following options Detailed R...

Page 29: ...ostic Tests in Diagnostics for Windows To run diagnostic tests 1 Click Start HP Information Center Diagnostics for Windows Alternately you can access Diagnostics for Windows via the control panel The screen displays the overview of the computer hardware and software Five tabs are displayed below the row of icons Overview Test Status Log and Error 2 Click the Test tab or click Tab at the top of the...

Page 30: ...ab select File Save As then print the file from the selected folder If the report is on the Error tab select the Error tab Print button 9 If errors are found click the Error tab to display more detailed information and recommended actions 10 Click Print or save the error information for future reference 11 To exit Diagnostics for Windows click File Exit 2 4 Configuration Record The Configuration R...

Page 31: ...nly therefore all the text is displayed in the color red since it shows only the differences Switching to Show All displays the complete comprehensive view of the system 2 The default view is Show Changed Items Only To view all the information gathered by Configuration Record click View at the top of the window and select Show All or click the Show All Items icon 3 To save the information in the l...

Page 32: ...2 20 361288 003 Service Reference Guide dc7100 Setup Utilities and Diagnostics Features ...

Page 33: ...nbundling process the computer is ready to be used A customized software image may be deployed by Installing additional software applications after unbundling the preinstalled software image Using software deployment tools such as Altiris Deployment Solution to replace the preinstalled software with a customized software image Using a disk cloning process to copy the contents from one hard drive t...

Page 34: ...ered to provide tools designed to make the task of corporate PC deployment and management easier and less time consuming ultimately lowering the total cost of ownership and making HP PCs the most manageable client PCs in the enterprise environment 3 3 Software Updating and Management HP provides several tools for managing and updating software on desktops and workstations HP Client Manager Softwar...

Page 35: ...l deploy On selected desktop and notebook models an Altiris management agent is included as part of the factory loaded image This agent enables communication with the Altiris development Solution which can be used to complete new hardware deployment or personality migration to a new OS using easy to follow wizards Altiris solutions provide easy to use software distribution capabilities When used i...

Page 36: ...3 hp com subhub php 3 3 6 ROM Flash The computer comes with a reprogrammable flash ROM read only memory By establishing a setup password in Computer Setup F10 Utility you can protect the ROM from being unintentionally updated or overwritten This is important to ensure the operating integrity of the computer Should you need or want to upgrade your ROM you may Order an upgraded ROMPaq diskette from ...

Page 37: ...cted models in the downloadable ROM softpaqs When the boot block detects an invalid system ROM the System Power LED blinks RED 8 times one every second followed by a 2 second pause Also 8 simultaneous beeps will be heard A Boot Block recovery mode message is displayed on the screen some models To recover the system after it enters Boot Block recovery mode complete the following steps 1 If there is...

Page 38: ...etup configuration to copy Turn off the computer If you are in Windows click Start Shut Down Shut Down 2 If you are using a USB flash media device insert it now 3 Turn on the computer 4 As soon as the computer is turned on press and hold the F10 key until you enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must re...

Page 39: ...ble USB flash media device If Windows XP is not available to use to create a bootable diskette use the method for copying to a single computer instead see Copying to Single Computer on page 6 1 Create a bootable diskette or USB flash media device See Supported USB Flash Media Device on page 8 or Unsupported USB Flash Media Device on page 10 ÄCAUTION Not all computers can be booted from a USB flash...

Page 40: ...e later in this section see Unsupported USB Flash Media Device on page 10 ÄCAUTION Not all computers can be booted from a USB flash media device If the default boot order in the Computer Setup F10 Utility lists the USB device before the hard drive the computer can be booted from a USB flash media device Otherwise a bootable diskette must be used To create a bootable USB flash media device you must...

Page 41: ... step 4 If none are found either the system does not support the USB flash media device or the USB flash media device is defective DO NOT proceed in attempting to make the USB flash media device bootable 6 Exit FDISK by pressing the Esc key to return to the A prompt 7 If your bootable DOS diskette contains SYS COM go to step 8 Otherwise go to step 9 8 At the A prompt enter SYS x where x represents...

Page 42: ...esktop dx6100 series HP Compaq Business Desktop d530 Series Ultra Slim Desktop Small Form Factor or Convertible Minitower Compaq Evo D510 Ultra Slim Desktop Compaq Evo D510 Convertible Minitower Small Form Factor Depending on the individual BIOS future systems may also support booting to a USB flash media device ÄCAUTION If you are using a computer other than one named above make sure the default ...

Page 43: ...Del to reboot to the DOS diskette 10 At the A prompt type FORMAT C S and press Enter Format will format the USB flash media device add the system files and ask for a Volume Label 11 Press Enter for no label or enter one if desired 12 Turn off the computer and unplug the power cord Open the computer and re install any PCI cards that were previously removed Close the computer cover 13 Plug in the po...

Page 44: ...four seconds ÄCAUTION Do not use the power button to turn off the computer unless the system is not responding turning off the power without operating system interaction could cause damage to or loss of data on the hard drive 3 3 12 World Wide Web Site When making the transition to new or revised operating systems it is important to implement the support software designed for that operating system...

Page 45: ...f tampering with a computer s internal components ProtectTools the Smart Cover Sensor and the Smart Cover Lock are available as options on select systems Use the following utilities to manage security settings on your HP computer Locally using the Computer Setup Utilities See the Computer Setup F10 Utility Guide included with the computer for additional information and instructions on using the Co...

Page 46: ... port front USB ports system audio network controllers some models MultiBay devices some models and SCSI controllers some models Network Service Boot Enables disables the computer s ability to boot from an operating system installed on a network server Feature available on NIC models only the network controller must reside on the PCI bus or be embedded on the system board System IDs Allows you to ...

Page 47: ...rebooted the BIOS compares the MBR of the current bootable disk to the previously saved MBR If changes are detected you are given the option of saving the MBR on the current bootable disk restoring the previously saved MBR or disabling MBR Security You must know the setup password if one is set Disable MBR Security before intentionally changing the formatting or partitioning of the current bootabl...

Page 48: ...tilities F10 Security Features Continued Feature Description For more information about Computer Setup see the Computer Setup F10 Utility Guide Support for security features may vary depending on your specific computer configuration Mechanical Security Features Feature Purpose How It Is Established Memory Change Alerts Detects when memory modules have been added moved or removed notifies user and ...

Page 49: ...ress Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must restart the computer and press and hold the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error message disregard it 3 Select Security then select Setup Password and follow the instructions on the screen 4 Before exiting click File Save C...

Page 50: ...ssary If you do not press the F10 key at the appropriate time you must restart the computer and press and hold the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error message disregard it 3 When the key icon appears on the monitor type the setup password then press Enter Type carefully for security reasons the characters you type do not appear on the s...

Page 51: ...fer to HP ProtectTools Embedded Security Guide on the Documentation CD 1 Turn on or restart the computer If you are in Windows click Start Shut Down Restart the Computer 2 To delete the Power On password go to step 3 To delete the Setup password as soon as the computer is turned on press and hold the F10 key until you enter Computer Setup Press Enter to bypass the title screen if necessary If you ...

Page 52: ...ared with the damage that could result from unauthorized access to its contents In order to balance this level of security with the practical need to accommodate a forgotten password the HP implementation of DriveLock employs a two password security scheme One password is intended to be set and used by a system administrator while the other is typically set and used by the end user There is no bac...

Page 53: ...or use in some computers The system administrator would be responsible for configuring the multibay hard drive which would involve among other things setting the DriveLock master password In the event that the user forgets the user password or the equipment is passed on to another employee the master password can always be used to reset the user password and regain access to the hard drive HP reco...

Page 54: ...r Removal Sensor and select the desired security level 4 Before exiting click File Save Changes and Exit Smart Cover Lock The Smart Cover Lock is a software controllable cover lock featured on select HP computers This lock prevents unauthorized access to the internal components Computers ship with the Smart Cover Lock in the unlocked position ÄCAUTION For maximum cover lock security be sure to est...

Page 55: ... the title screen if necessary If you do not press the F10 key at the appropriate time you must restart the computer and press and hold the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error message disregard it 3 Select Security Smart Cover Cover Lock Unlock 4 Before exiting click File Save Changes and Exit Using the Smart Cover FailSafe Key If you e...

Page 56: ...Save Master Boot Record 5 Before exiting click File Save Changes and Exit When MBR Security is enabled the BIOS prevents any changes being made to the MBR of the current bootable disk while in MS DOS or Windows Safe Mode Most operating systems control access to the MBR of the current bootable disk the BIOS cannot prevent changes that may occur while the operating system is running Each time the co...

Page 57: ...in Windows click Start Shut Down Restart 2 As soon as the computer is turned on press and hold the F10 key until you enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must restart the computer and press and hold the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error mes...

Page 58: ...rd drive replacement When HP computers are built each installed hard drive is tested using DPS and a permanent record of key information is written onto the drive Each time DPS is run test results are written to the hard drive Your service provider can use this information to help diagnose conditions that caused you to run the DPS software Refer to the Troubleshooting Guide for instructions on usi...

Page 59: ...tem board are color coded to make identification easier Characteristic SATA PATA Number of pins conductors in data cable 7 7 40 80 Number of pins in power cable 15 4 Maximum data cable length 39 37 in 100 cm 18 in 45 7 cm Data interface voltage differential 600 mV 5 V Drive motor voltages 3 3 V 12 V 5 V 12 V Jumpers for configuring drive N A Required Data transfer rate 150 MB s up to 100 MB s SATA...

Page 60: ...han a 30 mm 1 18 in radius 4 2 2 SATA Power Cable Pin Number Usage Device Plug Host Plug P1 Ground Ground Ground P2 A Transmit data Receive data P3 A Transmit data Receive data P4 Ground Ground Ground P5 B Receive data Transmit data P6 B Receive data Transmit data P7 Ground Ground Ground P2 and P3 differential signal pair P5 and P6 differential signal pair Pin Usage Notes Pin Usage Notes P1 V3 3 3...

Page 61: ...al 1 2 3 4 5 Reset Ground DD7 DD8 DD6 15 16 17 18 19 DD1 DD14 DD0 DD15 Ground 29 30 31 32 33 DMAK Ground INTRQ IOCS16 DA1 6 7 8 9 10 DD9 DD5 DD10 DD4 DD11 20 21 22 23 24 Key DMARQ Ground DIOW Ground 34 35 36 37 38 PDIAG cable detect DA0 DA2 CS1FX CS3FX 11 12 13 14 DD3 DD12 DD2 DD13 25 26 27 28 DIOR Ground IORDY CSEL 39 40 DASP Ground Pin Usage 1 12 V 2 Ground 3 Ground 4 5 V ...

Page 62: ...an industry standard cable is applicable only if the drive s jumper is in the cable select position Single Drive Cable Two Drive Cable On a two drive cable the Drive Device 0 connector is always the farthest one from the system board connector and the Drive Device 1 connector is always the closest to the system board connector Some cables may be labeled Drive 0 instead of Device 0 and Drive 1 inst...

Page 63: ...ve is attached to the Device 1 cable position and its cable select jumper is present the drive is designated as Device 1 For optimal performance of a computer system all drives need to be attached to the PATA channel s in a specified sequence This sequence is determined by the device class of the drives and by specific attach sequence rules 4 3 1 PATA Device Classes In order to determine the best ...

Page 64: ...rives and removable media drives on separate channels to maximize compatibility Keeping the hard drive and the writable optical drive on separate channels to maximize optical drive reliability General Attach Sequence Rule Sequence Description 1 The lowest class drive bootable hard drive recommended 2 If only two drives the last drive goes here otherwise the lowest class of the remaining drives 3 I...

Page 65: ...or obtaining optimum system performance when setting up a computer with multiple drives Use the General Attach Sequence Rule to determine the best drive installation sequence Two examples of how to use the worksheet are Three device installation Four device installation Attach Sequence Worksheet Device Name Device Class Position Number Channel Name Device Number ...

Page 66: ...le in Section 4 3 1 the devices may be identified as Ultra ATA 100 hard drive Class 1 DVD drive Class 2 CD ROM drive Class 3 Cable lengths may restrict drive usage Attach Sequence Worksheet Three Device Installation Sample Device Name Device Class Position Number Channel Name Device Number Ultra ATA 100 hard drive 1 1 Primary 0 DVD drive 2 2 Secondary 0 CD ROM drive 3 3 Secondary 1 1 2 4 3 Primary...

Page 67: ...owing the General Attach Sequence Rule Cable lengths may restrict drive usage 4 3 4 PATA Additional Drive Application Notes When replacing a hard drive the replacement should be of the same type Ultra ATA 33 66 or 100 as that being removed to retain the same level of performance When Ultra ATA and SCSI hard drives are mixed in the same system the Ultra ATA drive will become the boot drive unless t...

Page 68: ...uter determines the maximum usable size of a drive partition A drive partition is the largest segment of a drive that may be properly accessed by the operating system A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space Because of the differences in the way that drive sizes are calculated the size reported by the operatin...

Page 69: ...rol base address Windows 2000 and XP Windows 9x NT and Linux Enhanced Mode default BIOS Setting Separate IDE controller Compatibility Mode non default BIOS Setting Combined IDE controller PATA Controller in Legacy Mode Device 0 is accessible as Device 0 of PATA controller s Primary Channel Device 1 is accessible as Device 1of PATA controller s Primary Channel SATA Controller in Native Mode SATA 0 ...

Page 70: ...TA 3 B1 IDE Device 0 B2 IDE Device 1 Separate IDE Controller Used with Windows 2000 and XP A Integrated IDE B Integrated SATA A1 IDE Device 0 A2 IDE Device 1 B1 SATA 0 B2 SATA 2 B3 SATA 1 B4 SATA 3 Combined with IDE Controller Used with Windows 9x NT and Linux A Integrated SATA B Integrated IDE A1 SATA 0 A2 SATA 2 B1 IDE Device 0 B2 IDE Device 1 Combined with IDE Controller Used with Windows 9x NT...

Page 71: ...rmation for the computer Adherence to the procedures and precautions described in this chapter is essential for proper service Ä CAUTION When the computer is plugged into an AC power source voltage is always applied to the system board You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage 5 1 Chassis Designations 5 1 1 Conv...

Page 72: ...5 2 361288 003 Service Reference Guide dc7100 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 2 Small Form Factor SFF 5 1 3 Ultra Slim Desktop USDT ...

Page 73: ...ircuitry design and structure determine the degree of sensitivity The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories To avoid hand contact transport products in static safe containers such as tubes bags or boxes Protect all electrostatic parts and assemblies with conductive or approved containers or packaging Keep electrostatic ...

Page 74: ...surface and properly grounded tools and equipment Use static dissipative mats foot straps or air ionizers to give added protection Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free work areas Turn off power and input signals before inserting and removing connectors or test equipment Use fixtures made of static safe materials ...

Page 75: ...ly clean the air vents on all vented sides of the computer Lint dust and other foreign matter can block the vents and limit the airflow Never operate the computer with the cover or side panel removed Do not stack computers on top of each other or place computers so near each other that they are subject to each other s re circulated or preheated air If the computer is to be operated within a separa...

Page 76: ...w the procedures described below To remove light stains or dirt use plain water with a clean lint free cloth or swab For stronger stains use a mild dishwashing liquid diluted with water Rinse well by wiping it with a cloth or swab dampened with clear water For stubborn stains use isopropyl rubbing alcohol No rinsing is needed as the alcohol will evaporate quickly and not leave a residue After clea...

Page 77: ...remove a wide leveled key like the space bar from the keyboard If these keys are improperly removed or installed the keyboard may not function properly Cleaning under a key may be done with a swab moistened with isopropyl alcohol and squeezed out Be careful not to wipe away lubricants necessary for proper key functions Use tweezers to remove any fibers or dirt in confined areas Allow the parts to ...

Page 78: ...r Compaq screwdriver with bits PN 161946 001 Torx T 15 screwdriver with small diameter shank for certain front bezel removal Flat bladed screwdriver may sometimes be used in place of the Torx screwdriver Phillips 0 screwdriver Phillips 2 screwdriver Diagnostics software Compaq tamper resistant T 15 wrench Smart Cover FailSafe Key PN 166527 001 or Compaq tamper resistant bits Smart Cover FailSafe K...

Page 79: ... their protective packaging until they are actually mounted in the CPU Avoid dropping drives from any height onto any surface If you are inserting or removing a hard drive turn off the computer Do not remove a hard drive while the computer is on or in standby mode Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For mo...

Page 80: ...5 10 361288 003 Service Reference Guide dc7100 Identifying the Chassis Routine Care and Disassembly Preparation ...

Page 81: ... 3 Exit the operating system 4 Remove any diskette compact disc or MultiBay device from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some syst...

Page 82: ... need to remove the locking solenoid by using the Smart Cover FailSafe Key Spare part number 166527 001 or 166527 002 Once the solenoid has been deactivated or removed the access panel can be removed The Smart Cover FailSafe Key will be needed in any of the following circumstances Power outage Startup failure Processor or power supply failure Lost password 1 Using the Smart Cover FailSafe Key remo...

Page 83: ... Hood Sensor 1 Prepare the computer for disassembly Section 6 1 2 Remove the access panel Section 6 5 3 Disconnect the hood sensor cable from the system board 4 Slide the hood sensor switch towards the front of the computer 1 and lower it down through the slot 2 To install the hood sensor reverse the removal procedure ...

Page 84: ...moval and Replacement Procedures Convertible Minitower CMT Chassis 6 4 External Security Devices 6 4 1 Cable Lock The cable lock may be used to secure the computer access panel to the chassis and at the same time secure the computer to a fixed object ...

Page 85: ...al and Replacement Procedures Convertible Minitower CMT Chassis 6 4 2 Padlock A padlock may be used by itself to secure the access panel to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object I ...

Page 86: ...er for disassembly Section 6 1 ÄCAUTION Before removing the computer access panel ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet 2 Lift up on the access panel handle 1 slide the access panel back about 1 inch 2 5 cm then lift it off the unit 2 To install the computer cover reverse the removal procedure ...

Page 87: ...initower CMT Chassis 6 6 Front Bezel 1 Prepare the computer for disassembly Section 6 1 2 Remove the computer access panel Section 6 5 3 Push up on the two release tabs 1 then rotate the front bezel away from the chassis to release it 2 To reinstall the front bezel reverse the removal procedure ...

Page 88: ...zel blanks secured in it away from the front bezel then remove the desired bezel blank ÄCAUTION Hold the subpanel straight when pulling it away from the front bezel Pulling the subpanel away at an angle could damage the pins that align it with the front bezel To install a bezel blank reverse the removal procedure When replacing the subpanel ensure that the aligning pins and any remaining bezel bla...

Page 89: ...Chassis 6 7 2 Diskette Drive Bezel or Bezel Blank Press up on the two small retaining clips 1 on the bottom of the bezel insert press down on the two small retaining clips 2 on the top of the insert and push the cover out of the front bezel 3 To install a bezel or a bezel blank reverse the removal procedure ...

Page 90: ... Some flat ribbon cables come prefolded Never change the folds on these cables Do not bend any cable sharply A sharp bend can break the internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or computer cover to push cables down into the chassis Always position the cables to lay prope...

Page 91: ...acts Doing so may damage the module 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 6 2 2 Prepare the computer for disassembly Section 6 1 3 Remove the computer access panel Section 6 5 ÅWARNING To reduce risk of personal injury from hot surfaces allow the internal system components to cool before touching 4 Open both latches of the memory module socket 1 an...

Page 92: ...tible Minitower CMT Chassis The computer automatically recognizes the additional memory when the computer is turned on To reassemble the computer reverse the removal procedure If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover Sensor ...

Page 93: ...he computer access panel Section 6 5 4 Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis 5 Push down and out on the two green thumb tabs inside the chassis and rotate the expansion card retention latch up 6 If you are installing an expansion card in a vacant socket remove the appropriate expansion slot cover on t...

Page 94: ...dard expansion socket hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket Lift the expansion card straight up to release it from the chassis frame Be sure not to scrape the card against other components Before removing an installed expansion card disconnect any cables that may be attached to the expansion card ...

Page 95: ...it in toward the center of the chassis to release it from the chassis frame Be sure not to scrape the card against other components 9 Store the removed card in anti static packaging 10 If you are not installing a new expansion card install an expansion slot cover to close the open slot and continue with step 12 If you are installing a new expansion card continue with step 11 ÄCAUTION After removin...

Page 96: ...hole connector seats properly in the expansion card socket on the system board 12 Close the expansion slot latch making sure that it snaps firmly into place 13 Connect external cables to the installed card and internal cables to the system board as needed 14 Replace the computer access panel 15 If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cov...

Page 97: ...bly Section 6 1 2 Remove the computer access panel Section 6 5 3 Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis 4 Push down and out on the two green thumb tabs inside the chassis and rotate the expansion card retention latch up 5 Use a thin flat blade screwdriver to pry up on the broken plastic latches 1 then ...

Page 98: ...o remove it from the chassis To replace the bar slide it into the socket on the right 1 lower it into position 3 and slide it to the left 4 to secure it in place 7 With the bar in a slightly rotated position install the latches through the openings in the back of the chassis and press them firmly in place on the rotating bar The green latches are marked R and L for your convenience ...

Page 99: ...Computer Setup to unlock the lock Section 6 2 1 Prepare the computer for disassembly Section 6 1 2 Remove the computer access panel Section 6 5 3 Remove any expansion cards that might be in the way Section 6 10 4 Compress the retaining tabs that secure the card guide to the chassis and remove the guide from the chassis 2 To install the expansion card guide reverse the removal procedure ...

Page 100: ... 1 Drive Positions To verify the type and size of the storage device installed in the computer run Computer Setup Drive Positions Item Description Item Description 1 Three 5 25 inch half height bays for optional drive 3 Two internal 3 5 inch one third height bay for hard drives 2 One standard 3 5 inch one third height bay 1 44 MB diskette drive shown The bottom 5 25 inch drive bay has a shorter de...

Page 101: ...the connector For more information about preventing electrostatic damage refer to Chapter 5 for more information Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers 1 If you have locked the Smart Cover Lock use Computer Setup to unlock...

Page 102: ...drivelock mechanism 1 for that drive and slide the drive from the drive bay 2 7 Remove the four guide screws two on each side from the old drive and install them in the replacement drive Extra guide screws are provided on the chassis Optical drives use M3 metric screws The HP supplied metric screws are black The HP supplied standard screws are silver ...

Page 103: ...Replacement Procedures Convertible Minitower CMT Chassis 8 Store the removed drive in anti static packaging 9 Install the new drive by sliding it into the appropriate drive bay on the front of the chassis The drivelock automatically secures the drive in the bay ...

Page 104: ...6 5 4 Remove the front bezel Section 6 6 If you are adding a drive in a bay that was previously empty you must remove the corresponding bezel blank from the front bezel 5 Disconnect the audio power and data cables on the back of the drive Install four guide screws in the lower holes on each side of the drive ÄCAUTION When removing cables pull the tab or connector instead of the cable itself to pre...

Page 105: ...at specific drive and slide the drive from the drive bay 2 9 Remove the four guide screws two on each side from the old drive and install them in the lower set of holes on the optical drive Extra guide screws are provided on the chassis on the side of the fourth drive bay Optical drives use M3 metric screws The HP supplied metric screws are black The HP supplied standard screws are silver ...

Page 106: ...to the drive bay may result in damage to the drive 11 When installing an optical drive the default audio solution is digital audio No separate audio cable is required for Windows XP applications 12 Connect the data and power cables on the to the drive Refer to Chapter 4 Serial and Parallel ATA Drive Guidelines and Features for information on attaching the cabling to get optimum performance 13 Repl...

Page 107: ...on each side of the drive Extra guide screws are provided on the side of the drive bay under the access panel The diskette drive use M3 metric screws The HP supplied metric screws are black The HP supplied standard screws are silver 7 Insert the diskette drive into the bay from the front of the chassis Push it in until it locks into place ÄCAUTION Make sure the guide screws line up with the guide ...

Page 108: ...t off the chassis 3 7 Carefully pull the cables from the front of the chassis making sure that they do not snag on the lower drive cage To reinstall the I O device 1 Thread the cables through the opening and down the space in front of the lower drive cage This step may be easier if you thread a single cable at a time through the opening ÄCAUTION Be careful when threading the cables in the chassis ...

Page 109: ...ection 6 5 3 Disconnect the power switch LED cable from the system board 4 Squeeze the switch holder retaining clips together at the front of the chassis 1 and pull the switch assembly out of the chassis 2 To install the power switch assembly reverse the removal procedure When installing the power switch cable it may be necessary to disconnect a data cabe from one of the drives to make it easier t...

Page 110: ...ion 6 10 4 Remove the x16 PCI Express graphics card Section 6 10 5 Disconnect all cables connected to the system board noting their location for reinstallation 6 Compress the system board tray handle 1 to release the latch and slide the system board tray towards the front of the computer 2 to free it from the back of the chassis To install the system board with its tray press down on the board to ...

Page 111: ...e HP Compaq spare designated for this product Ä CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general household...

Page 112: ...r 2 Slide the replacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Page 113: ...ift it out 2 To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up 2 Push the other edge down until the clamp snaps over the other edge of the battery After the battery has been replaced use the following steps to complete this procedure 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer Reset ...

Page 114: ...rs as in an X to even the downward forces on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 5 Remove the heatsink 2 from atop the processor When reinstalling the heatsink make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the proc...

Page 115: ...socket 3 ÄCAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board ÄCAUTION The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connections To install a new processor 1 Place the processor...

Page 116: ... heatsink control cable to the system board ÄCAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board After installing a new processor onto the system board always update the system RO...

Page 117: ...ker 1 Prepare the computer for disassembly Section 6 1 2 Remove the computer access panel Section 6 5 3 Disconnect the speaker wire from the system board 4 Remove the four screws from the inside of the chassis 1 that secure the speaker to the chassis 5 Remove the speaker 2 To install the speaker reverse the removal procedures ...

Page 118: ...sis Fan 1 Prepare the computer for disassembly Section 6 1 2 Remove the computer access panel Section 6 5 3 Disconnect the fan control cable from the system board 4 Remove the four screws that secure the fan assembly to the chassis 1 and then remove the fan assembly 2 To install the fan assembly reverse the removal procedure ...

Page 119: ...e power cord should be disconnected from the computer and or the AC outlet before opening the computer 1 Prepare the computer for disassembly Section 6 1 1 Remove the computer access panel Section 6 5 2 Disconnect all power cables from the mass storage devices and from the system board 3 Remove the four screws that connect the power supply to the chassis 1 4 Slide the power supply toward the front...

Page 120: ...tup to unlock it 2 Prepare the computer for disassembly Section 6 1 3 Remove the computer access panel Section 6 5 4 Remove the front bezel Section 6 6 5 Disconnect all power and data cables from the back of the drives in the 5 25 inch drive bays 6 To release the drives from the 5 25 inch drive bay press down on the short yellow drivelock as shown While pressing the drivelock pull the drives out o...

Page 121: ... supports a drive that is no more than 6 7 inches in depth including the cables that attach to the back of the drive Do not try to force a larger drive such as an optical drive or MultiBay drive into the bottom bay This could cause damage to the drive and the system board The use of unnecessary force when installing any drive into the drive bay may result in damage to the drive 9 Reconnect all pow...

Page 122: ...1288 003 Service Reference Guide dc7100 Removal and Replacement Procedures Convertible Minitower CMT Chassis 12 Reposition the subpanel rotate it 90 with the logo at the bottom then snap it back into the bezel ...

Page 123: ... computer for disassembly Section 6 1 3 Remove the computer access panel Section 6 5 4 Remove the front bezel Section 6 6 5 Disconnect all power and data cables from the back of the drives in the 5 25 inch drive bays 6 To release the drives from the 5 25 inch drive bay lift the release tab on the green latch drive bracket for the drive While lifting the release tab slide the drive from its drive b...

Page 124: ...ports a drive that is no more than 6 7 inches in depth including the cables that attach to the back of the drive Do not try to force a larger drive such as an optical drive or MultiBay drive into the bottom bay This could cause damage to the drive and the system board The use of unnecessary force when installing any drive into the drive bay may result in damage to the drive 9 Reconnect all power a...

Page 125: ...assis 12 Reposition the subpanel rotate it 90 with the logo at the bottom then snap it back into the bezel 13 Replace the front bezel and computer access panel 14 Reconnect the external equipment 15 If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover Sensor ...

Page 126: ...6 46 361288 003 Service Reference Guide dc7100 Removal and Replacement Procedures Convertible Minitower CMT Chassis ...

Page 127: ...ns 3 Exit the operating system 4 Remove any diskette compact disc or MultiBay device from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some sy...

Page 128: ...tup to unlock the cover you will need to remove the locking solenoid by using the Smart Cover FailSafe Key Spare part number 166527 001 or 166527 002 Once the solenoid has been deactivated or removed the access panel can be removed The Smart Cover FailSafe Key will be needed in any of the following circumstances Power outage Startup failure Processor or power supply failure Lost password 1 Using t...

Page 129: ...Service Reference Guide dc7100 361288 003 7 3 Removal and Replacement Procedures Small Form Factor SFF Chassis To reattach the Smart Cover Lock position the lock with the tamper proof screw ...

Page 130: ...puter for disassembly 2 Remove the computer cover 3 Raise the power supply to its full upright position 4 Disconnect the hood sensor cable from the system board 5 Slide the hood sensor switch mounted on the power supply towards the outside of the computer 1 and lower it through the slot 2 To install the hood sensor reverse the removal procedure ...

Page 131: ...4 1 Security Clip A special clip is required to secure the computer from intrusion This clip must be installed before installing the computer cover 7 4 2 Cable Lock The cable lock may be used to secure the computer cover to the chassis and at the same time secure the computer to a fixed object Insert the cable lock in the location shown below ...

Page 132: ...sis 7 4 3 Padlock A padlock may be used by itself to secure the computer cover to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object I 7 4 4 Universal Chassis Clamp Lock Without Security Cable 1 Thread the keyboard and mouse cables through the lock ...

Page 133: ...Service Reference Guide dc7100 361288 003 7 7 Removal and Replacement Procedures Small Form Factor SFF Chassis 2 Screw the lock to the chassis using the screw provided ...

Page 134: ...nd Replacement Procedures Small Form Factor SFF Chassis 3 Insert the plug into the lock 1 and push the button in 2 to engage the lock Use the key provided to disengage the lock With Security Cable 1 Fasten the cable by looping it around a stationary object ...

Page 135: ...erence Guide dc7100 361288 003 7 9 Removal and Replacement Procedures Small Form Factor SFF Chassis 2 Thread the keyboard and mouse cables through the lock 3 Screw the lock to the chassis using the screw provided ...

Page 136: ...rence Guide dc7100 Removal and Replacement Procedures Small Form Factor SFF Chassis 4 Insert the plug end of the security cable into the lock 1 and push the button in 2 to engage the lock Use the key provided to disengage the lock ...

Page 137: ...isassembly ÄCAUTION Before removing the computer cover ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet 1 Press the buttons on the left and right sides of the computer 1 2 Slide the computer cover towards the front of the computer until it stops 2 then lift it up and off the chassis To install the computer cover reverse the removal procedure...

Page 138: ... 1 Preparation for Disassembly 2 Remove the computer cover Section 7 5 Computer Cover 3 Remove the drive bezel by pushing the top tab on the right side of the larger front bezel as shown 1 and rotating the drive bezel away from the larger front bezel 2 The drive bezel will vary depending on the computer configuration 4 Install a bezel or a bezel blank by pushing the bezel into place ...

Page 139: ...de dc7100 361288 003 7 13 Removal and Replacement Procedures Small Form Factor SFF Chassis There are three drive bezel inserts that are available Item Description 1 Diskette drive bezel 2 Hard drive bezel 3 3 5 drive bezel ...

Page 140: ...cables clear of sliding parts like the drive cage to prevent their being cut when the drive cage is being seated Keep cables clear of rotating parts like the power supply to prevent their being cut or crimped when the power supply is lowered When folding a flat ribbon cable never fold to a sharp crease Sharp creases may damage the wires Some flat ribbon cables come prefolded Never change the folds...

Page 141: ...the P1 or P3 connectors on the system board always follow these steps 1 Squeeze on the top of the retaining latch attached to the cable end of the connector 1 2 Grasp the cable end of the connector and pull it straight up 2 ÄCAUTION Always pull the connector NEVER pull on the cable Pulling on the cable could damage the cable and result in a failed power supply ...

Page 142: ...g a memory module be careful not to touch any of the contacts Doing so may damage the module 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 3 Remove the computer cover Section 7 5 Computer Cover ÅWARNING To reduce risk of personal injury from ho...

Page 143: ...eps 4 and 5 for any additional modules that you want to install The computer automatically recognizes the additional memory when the computer is turned on To reassemble the computer reverse the removal procedure If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover Sensor ...

Page 144: ...vices 3 Disconnect the power cord from the power outlet and disconnect any external devices 4 Remove the computer from the stand and lay the computer on its side 5 Remove the computer cover Refer to Section 7 5 Computer Cover 6 Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the full open position 1 7 Remove th...

Page 145: ...nal devices 3 Disconnect the power cord from the power outlet and disconnect any external devices 4 Remove the computer from the stand and lay the computer on its side 5 Remove the computer cover Refer to Section 7 5 Computer Cover 6 Identify the slot into which you want to insert the expansion card 7 Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab ...

Page 146: ...en installing an expansion card 10 Rotate the slot cover retention latch back in place to secure the expansion card When you install an expansion card make sure the metal bracket on the card slides into the slot on the back of the computer then press down firmly on the card so that the whole connector seats properly in the expansion card slot ÄCAUTION All expansion card slots on the rear of the co...

Page 147: ...lot covers by lifting the green tab on the latch and rotating the latch to the open position 6 Pull the retention arm on the back of the PCI Express expansion socket away from the card on x16 card socket only and carefully rock the card back and forth until the connectors pull free from the socket Pull the expansion card straight up from the socket then away from the inside of the chassis Be sure ...

Page 148: ...evices 4 Remove the computer from the stand and lay the computer on its side 5 Remove the computer cover Refer to Section 7 5 Computer Cover 6 Lift the bail handle on the expansion card cage and pull the cage straight up and out of the computer 7 Lay the card cage on its top for stability before doing any work on it To install the card cage reverse the installation process 7 10 2 PCI Expansion Car...

Page 149: ...ight up from the socket 2 then away from the inside of the card cage Be sure not to scrape the card against other components 9 Store the removed card in anti static packaging 10 Slide the bracket on the end of the expansion card down into the slot on the expansion card cage and press the card down firmly into the socket on the riser card 11 Reinstall the card retaining screw Go to step 15 12 If yo...

Page 150: ...assis 15 Reinstall the expansion card cage by aligning the cage with the guide rails on the backwall Press down firmly on the cage to secure it in place on the backwall Be sure the riser card in the cage is properly seated in the PCI expansion slot on the system board Complete the reassembly of the computer ...

Page 151: ...ock 2 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 3 Remove the computer access panel Section 7 5 Computer Cover 4 Remove the expansion card cage Section 7 10 1 Expansion Card Cage 5 Remove the two screws that secure the riser card to the expansion card cage 1 then remove the card 2 To install the riser card reverse the removal procedure The riser card is not spared...

Page 152: ...oss After replacing the primary hard drive you will need to run the Restore Plus CD to load the Compaq factory installed files 7 11 1 Drive Positions To verify the type and size of the storage device installed in the computer run Computer Setup Drive Positions Item Description Item Description 1 3 5 inch internal standard hard drive bay 3 3 5 inch drive bay 1 44 MB diskette drive shown 2 5 25 inch...

Page 153: ...ou have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 3 Remove the computer cover Section 7 5 Computer Cover 4 Press down on the green latch located on the front of the chassis next to the drives 1 This disengages the drive cage 5 Slide the drive cage forwar...

Page 154: ...t up and out of the drive cage If the drive will not slide out of the cage the cage is not fully extended Pull on the cage until the internal drive lock mechanism has been released ÄCAUTION Use only 3 16 inch or 5 mm long screws as guide screws Longer screws can damage the internal components of the drive When replacing the drive transfer the four screws from the old drive to the new one The screw...

Page 155: ...bly Refer to Section 7 1 Preparation for Disassembly 3 Remove the computer cover Refer to Section 7 5 Computer Cover 4 Remove the optical drive Refer to Section 7 11 2 Optical Drive 5 Disconnect the signal and power cables from the drive The other end of the cables should remain connected to the system board Diskette drive shown 6 Slide the drive forward and lift it up and out of the drive cage To...

Page 156: ... the Smart Cover Lock 2 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 3 Remove the computer cover Section 7 5 Computer Cover 4 Press down on the green latch located on the front of the chassis next to the optical drive 1 and slide the drive cage forward 2 to its fully extended position This will give you access to the cable connectors on the primary hard drive It is ...

Page 157: ...uide dc7100 361288 003 7 31 Removal and Replacement Procedures Small Form Factor SFF Chassis 5 Remove the security clip that secures the backwall to the power supply 6 Rotate the power supply to its full upright position ...

Page 158: ...e 1 slide the hard drive toward the front of the computer then lift it up and out of the bay 2 To install a hard drive reverse the above procedure The replacement hard drive kit includes several data cables Make sure to use the cable that is exactly the same as the factory installed cable If the system has only one SATA hard drive the data cable must be connected to the blue connector labeled P60 ...

Page 159: ... HP has provided four extra 6 32 standard guide screws on the front of the chassis under the computer cover The 6 32 standard guide screws are silver If you replaced the primary hard drive insert the Restore Plus CD to restore the operating system software drivers and any software applications that were preinstalled on the computer Follow the instructions in the guide included with the Restore Plu...

Page 160: ...2 Fan Shroud 1 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer cover Section 7 5 Computer Cover 3 Lift up on the fan shroud to remove it from the computer When replacing the shroud make sure that it does not get caught on the wires from either the fan or the speaker ...

Page 161: ... system board the front USB cable pair and the front audio cable 4 Remove the drives from the drive tray Refer to Section 7 11 Drives 5 Remove the power supply cable that is routed under the drive cage from the side 1 and front 2 cable retaining clips It may be necessary to flatten the cable in the cable retaining clip areas to make the cable more flexible 6 Remove the power supply cable that is r...

Page 162: ...move the SATA cable from the front and side retaining clips 8 Push the empty drive cage back into its locked position ÄCAUTION Make sure the flat ribbon cables are folded down and the SATA and power cables are pushed out of the way to prevent their being damaged when the drive cage is pushed into the locked position ...

Page 163: ...Remove the two screws that secure the front I O device 1 then push the I O device towards the back of the chassis 2 10 Pull the drive cage forward grasp the I O device and carefully pull it from under the drive cage 3 Guide the cable ends through the slots in the drive cage support device to keep them from snagging ...

Page 164: ...cage and through the legs of the drive cage support 1 It may be necessary to use a wooden pencil to help in this task 2 Push the I O device beneath the drive cage as far as possible 2 then push the drive cage into the closed position to access the front of the chassis Make sure the USB ports in the I O device are oriented properly on the right side 3 Install the two retaining screws 3 while holdin...

Page 165: ...ction 7 5 Computer Cover 3 Disconnect the power switch LED cable from the system board 4 Squeeze the switch holder retaining clips together at the front of the chassis 1 and push the switch assembly out of the chassis 2 Push the two LEDs out of the chassis 3 5 If necessary the LED holders may also be removed by squeezing the clips and pushing them out of the front of the chassis 4 To install the p...

Page 166: ... X to even the downward forces on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board 6 Lift the heatsink from atop the processor 2 and set is on its side to keep from contaminating the work area with thermal grease When reinstalling the heatsink make sure that its bottom has been cleaned with an alcoho...

Page 167: ...on 1 6 Raise and rotate the microprocessor retainer to its fully open position 2 7 Carefully lift the processor from the socket 3 ÄCAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board ÄCAUTION The heatsink must be installed within 24 hours of installi...

Page 168: ...atop the processor 5 Go to step 7 6 If using a new heatsink remove the protective covering from the bottom of the heatsink and place it in position atop the processor 7 Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable to the system board ÄCAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs a...

Page 169: ... Remove any memory modules that might interfere with the screwdriver used for removing the speaker 6 Disconnect the speaker wire from the system board 7 Remove the two screws that secure the speaker to the chassis 8 Remove the speaker from the chassis To install the speaker reverse the removal procedures ÄCAUTION Before reinstalling the heatsink you must clean the top of the processor and the bott...

Page 170: ...Section 7 1 Preparation for Disassembly 2 Remove the computer cover Section 7 5 Computer Cover 3 Remove the security clip 4 Rotate the power supply to its upright position 5 Pull the drive cage forward and disconnect the power cables from all of the drives 6 Disconnect the power cables from the system board 7 Release the power supply cable from the cable retaining clip at the front of the chassis ...

Page 171: ...tor SFF Chassis 9 Lift the power supply up and out of the chassis To install the power supply reverse the removal procedure ÄCAUTION When installing the power supply cables make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply ...

Page 172: ...ction 7 1 Preparation for Disassembly 2 Remove the computer cover Section 7 5 Computer Cover 3 Remove all PCI and PCI Express expansion boards Section 7 9 Vertically Oriented Expansion Card 4 Remove the fan shroud from the chassis Section 7 11 Drives 5 Slide the drive tray forward and disconnect the drive and power cables from the system board 6 Remove the security clip ...

Page 173: ...8 003 7 47 Removal and Replacement Procedures Small Form Factor SFF Chassis 7 Rotate the power supply to its upright position 8 Disconnect the serial port from the system board 9 Disconnect the balance of the cables from the system board ...

Page 174: ...edures Small Form Factor SFF Chassis 10 Remove the long mounting screw that secures the system board tray to the chassis The heatsink has been removed from the drawing below for clarity The heatsink should not be removed until the system board has been removed from the chassis ...

Page 175: ...oard in place makes the installation of the heatsink easier and prevents damage ÄCAUTION When reconnecting the cables it is important that they be positioned so they do not interfere with the sliding of the drive cage the rotation of the power supply Complete the installation of the system board by reconnecting all cables The heatsink should be installed on the system board before the system board...

Page 176: ... Section 7 1 Preparation for Disassembly 2 Remove the computer cover Section 7 5 Computer Cover 3 Remove the fan shroud Section 7 12 Fan Shroud 4 Disconnect the chassis fan cable from the system board 5 Remove the four screws that secure the fan and fan guard to the chassis then remove the fan from the chassis To install the chassis fan reverse the removal procedure ...

Page 177: ...sion boards Section 7 9 Vertically Oriented Expansion Card 4 Press down on the green latch located on the front of the chassis next to the drives 1 This disengages the drive cage 5 Slide the drive cage forward until it stops 2 It is not necessary to remove any drives from the drive cage The drive cage is moved only to gain working room 6 Remove the power supply from the chassis Section 7 18 Power ...

Page 178: ...ove the two screws 2 that secure the serial connector to the backwall then remove the serial connector 3 from the backwall 9 Remove the fan shroud from the fan Section 7 12 Fan Shroud 10 Remove the long mounting screw that secures the system board tray to the chassis The heatsink has been removed from the drawing for clarity Do not remove the heatsink for this operation ...

Page 179: ...ystem board tray assembly towards the front of the chassis about 7 mm 1 4 inch and lift the system board up and out of the computer 12 Remove the three screws 1 that secure the backwall assembly to the chassis then slide the backwall assembly 2 a few millimeters inches toward the space vacated by the power supply and lift out ...

Page 180: ...wall 14 Install the serial connector 1 into the new backwall using the two screws 2 that were removed from the serial connector in a previous step Reconnect the Serial A cable 3 to the system board 15 Install the system board tray assembly Be sure the keyhole slot on the system board sits properly over the locking pins When the system board is in position replace the long screw to secure the syste...

Page 181: ... to use proper cable handling and placement precautions 17 Install the power supply Rotate it to its normal operating position Be sure to use proper cable handling and placement precautions 18 If ready install the PCI expansion card in the available slot in the new PCI riser card cage assembly Consult the guide that comes with your computer model to install a PCI expansion card ...

Page 182: ...rails on the backwall Press down firmly on the cage to secure it in place on the backwall Be sure the riser card in the cage is properly seated in the PCI expansion slot on the system board 20 Slide the drive cage back into its operating position and lock it in place Be sure to use proper cable handling and placement precautions Ä CAUTION Cables are very sensitive Overbending creasing or pinching ...

Page 183: ...l and Replacement Procedures Small Form Factor SFF Chassis 21 Replace the fan shroud on top of the fan 22 Replace the computer access panel 23 Connect the power cord to the computer and electrical outlet 24 Connect any peripheral equipment to the computer ...

Page 184: ...uct Ä CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recycli...

Page 185: ...2 Slide the replacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Page 186: ... battery slide one edge of the replacement battery under the holder s lip with the positive side up 2 Push the other edge down until the clamp snaps over the other edge of the battery After the battery has been replaced use the following steps to complete this procedure 3 Replace the computer cover or access panel 4 Plug in the computer and turn on power to the computer Reset the date and time you...

Page 187: ...remove the battery 2 2 Insert the new battery and position the clip back in place After the battery has been replaced use the following steps to complete this procedure 3 Replace the computer cover or access panel 4 Plug in the computer and turn on power to the computer Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility...

Page 188: ...7 62 361288 003 Service Reference Guide dc7100 Removal and Replacement Procedures Small Form Factor SFF Chassis ...

Page 189: ...Exit the operating system 4 Remove any diskette compact disc or MultiBay device from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems...

Page 190: ... 003 Service Reference Guide dc7100 Removal and Replacement Procedures Ultra Slim Desktop USDT Chassis 8 If the PC is mounted in the accessory mounting stand remove it and lay the computer down on its rubber feet ...

Page 191: ...and Replacement Procedures Ultra Slim Desktop USDT Chassis 8 2 External Security Devices 8 2 1 Installing a Cable Lock The cable lock may be used to secure the computer access panel to the chassis and at the same time secure the computer to a fixed object ...

Page 192: ...d Replacement Procedures Ultra Slim Desktop USDT Chassis 8 2 2 Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object I ...

Page 193: ...mputer access panel ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet 2 Lay the computer down so the rubber feet rest on a solid surface 3 Loosen the captive thumbscrew 1 that secures the access panel to the computer chassis 4 Slide the top access panel back about 1 3 cm 1 2 inch then lift it off the unit 2 To install the access panel reverse...

Page 194: ...in severe damage to the computer 1 Prepare the computer for disassembly Section 8 1 2 Remove the access panel Section 8 3 3 Unlock the MultiBay device by pushing down on the green locking lever on top of the MultiBay drive cage 1 an then pushing it to the right 2 4 Eject the MultiBay device by sliding the front mounted eject lever to the left 1 then pull the device out of the device bay 2 To insta...

Page 195: ...puter for disassembly Section 8 1 2 Remove the access panel Section 8 3 3 Remove any MultiBay device in the drive cage Section 8 4 4 Grasp the green handle on top of the riser card assembly and lift it straight up The MultiBay riser card assembly serves a number of purposes it provides data and power to an installed MultiBay device it locks the front panel assembly in the chassis and it secures th...

Page 196: ...device from the drive cage Section 8 4 4 Remove the MultiBay riser card Section 8 5 5 Lift up on the two green locking levers release tabs on the right side of the bezel 1 This will unlatch the front panel assembly and push it about 1 3 cm 1 2 inch out of the chassis 6 Disconnect the fan cable from the system board 2 and remove the panel assembly 3 by pulling it straight out of the chassis To rein...

Page 197: ...tion 8 6 6 Use a 0 Phillips screwdriver to remove the four screws that secure the front bezel to the front panel assembly 1 7 Raise the plastic locking device 2 located just below the MultiBay drive cage and pull the front bezel away from the assembly It may be necessary to release the catch 3 that keeps the top of the bezel in place To reinstall the front bezel reverse the removal procedures When...

Page 198: ...tion 8 7 7 Pull the four push pins that secure the fan to the front panel assembly out of the plastic grommets 1 then lift the fan off the grommets 2 8 To remove the grommets slide them towards the outside corners of the fan cutout 3 To install the fan assembly reverse the removal procedures making sure that the fan cable is located near the top of the assembly nearest the center of the front pane...

Page 199: ...nd any cable sharply A sharp bend can break the internal wires Never bend a SATA data cable tighter than a 30 mm 1 18 in radius Never crease a SATA data cable Do not rely on components like the drive cage power supply or computer cover to push cables down into the chassis Always position the cables to lay properly by themselves When removing the power supply power cables from the P1 or P3 connecto...

Page 200: ... more information ÄCAUTION When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Prepare the computer for disassembly Section 8 1 2 Remove the computer access panel Section 8 3 ÅWARNING To reduce risk of personal injury from hot surfaces allow the internal system components to cool before touching 3 Remove any MultiBay device in the drive cage S...

Page 201: ...ry module can be installed in only one way Match the notch on the module with the tab on the memory socket 7 Repeat step 6 for any additional modules that you want to install The computer automatically recognizes the additional memory when the computer is turned on To reassemble the computer reverse the removal procedure ...

Page 202: ...DT Chassis 8 11 Expansion Card Cage 1 Prepare the computer for disassembly Section 8 1 2 Remove the computer access panel Section 8 3 3 Lift the green bail handle on the expansion card cage and lift straight up To install the cage align the cage in the guides on the chassis and press it firmly into place ...

Page 203: ...y rock it back and forth until the connectors pull free from the card cage Pull the expansion card straight out 3 to remove it from the chassis Be sure not to scrape the card against the cage Store the removed card in anti static packaging 6 If you are not installing a new expansion card install an expansion slot cover to close the open slot and continue with step 8 If you are installing a new exp...

Page 204: ...hen you install an expansion card make sure you press firmly on the card so that the whole connector seats properly in the expansion card socket on the riser board 8 Close the latch firmly to secure the card in place 9 Install the expansion card cage into the computer 10 Reconfigure the computer if necessary Refer to the Computer Setup F10 Utility Guide on the Documentation Library CD for instruct...

Page 205: ...od Sensor 1 Prepare the computer for disassembly Section 8 1 2 Remove the computer access panel Section 8 3 3 Remove the expansion card cage Section 8 11 4 Disconnect the cable from the system board 1 and then slide the hood sensor out of the slot in the chassis 2 To install the hood sensor reverse the removal procedures ...

Page 206: ... 11 4 Open the latch 1 by squeezing the retainer fingers together then rotate the latch out of the way 2 5 Use a thin flat blade screwdriver to pry 3 the damaged locking lever off the expansion card cage 6 Remove the locking lever To install the replacement locking lever spread the pivot pin area and push it onto the ear of the expansion card cage so the pins snap into their receptacles Complete t...

Page 207: ...e Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For more information about preventing electrostatic damage refer to Chapter 5 for more information Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liquids temperature extremes or products that hav...

Page 208: ...the hard drive 1 then lift the cable end of the drive 2 up and pull it towards the center of the chassis 3 to remove it from the drive cage 8 Remove the four guide screws two on each side from the old drive You will need these screws to install a new drive 9 Store the removed drive in anti static packaging To install a drive reverse the removal procedure ...

Page 209: ...e front I O device in place 1 8 Disconnect the audio cable from the back of the IO device 2 and pull that cable through the tunnel opening in the chassis 3 9 Disconnect the I O cables from the system board To install the front I O device follow this sequence 1 Thread the audio cable through the tunnel in the chassis and attach it to the front I O board 2 Attach the front USB cable and the power sw...

Page 210: ...6 6 Disconnect the thermal sensor and heatsink fan cables 1 from the system board 7 Unscrew the four screws that secure the heatsink to the system board 2 then lift the heatsink from the system board 3 ÄCAUTION Heatsink retaining screws should be removed in diagonally opposite pairs as in an X to even the downward forces on the processor This is especially important as the pins on the socket are v...

Page 211: ...a new shroud reverse the removal procedure When reinstalling the heatsink in the computer make sure that the top of the processor and the bottom of the heatsink have been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor ÄCAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the ...

Page 212: ...osition 2 9 Carefully lift the processor from the socket 3 ÄCAUTION Do NOT handle the pins in the processor socket These pins are very fragile and handling them could cause irreparable damage Once pins are damaged it may be necessary to replace the system board ÄCAUTION The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor s solder connection...

Page 213: ...rd tray with the 4 captive screws and attach the heatsink control cable to the system board ÄCAUTION Heatsink retaining screws should be tightened in diagonally opposite pairs as in an X to evenly seat the heatsink on the processor This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board After installing a new processor o...

Page 214: ...nel assembly Section 8 6 6 Disconnect the power supply cable from the hard drive and the 6 pin power supply cable on the system board alongside the heatsink 7 Slide the power supply towards the front of the chassis 1 about 1 3 cm 1 2 inch then slide it towards the center of the chassis and rotate it up 2 to access the main cable connection beneath it 8 Disconnect the power cable from thesystem boa...

Page 215: ...s product Ä CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to r...

Page 216: ...holder 2 Slide the replacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup Guide ...

Page 217: ...ops up lift it out 2 To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up 2 Push the other edge down until the clamp snaps over the other edge of the battery After the battery has been replaced reverse the disassembly procedure 3 Plug in the computer and turn on power to the computer Reset the date and time your passwords and any spec...

Page 218: ...the battery 2 2 Insert the new battery and position the clip back in place After the battery has been replaced use the following steps to complete this procedure 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide CHeck R R...

Page 219: ...tion 8 1 2 Remove the computer access panel Section 8 3 3 Remove the expansion card cage Section 8 11 4 Disconnect the speaker cable from the system board 5 Grasp the bottom of the speaker while at the same time pressing down on the tab on its top then slide the speaker towards the center of the chassis to release it To install the speaker reverse the removal procedure ...

Page 220: ...r supply Section 8 19 9 Disconnect all cables connected to the system board noting their location for reinstallation 10 Remove the thumbscrew that secures the system board to the chassis 1 11 Slide the system board towards the front of the chassis 2 making sure that all keyhole retainers are clear before lifting the system board from the chassis ÄCAUTION Be very careful when removing or replacing ...

Page 221: ...computer and workstation connectors Some of these connectors may not be used on the product being serviced Keyboard Connector and Icon Pin Signal 1 2 3 Data Unused Ground 4 5 6 5 VDC Clock Unused Mouse Connector and Icon Pin Signal 1 2 3 Data Unused Ground 4 5 6 5 VDC Clock Unused Ethernet BNC Connector and Icon Pin Signal 1 Center Data 2 Shield Ground ...

Page 222: ...eive Data Unused Unused Ethernet AUI Connector and Icon Pin Signal Pin Signal 1 2 3 4 Ground Negative AUI Differential Collision Positive AUI Differential Collision Negative AUI Differential Transmit 9 10 11 12 Positive AUI Differential Receive 12V Ground Ground 5 6 7 8 Positive AUI Differential Transmit Ground Ground Negative AUI Differential Receive 13 14 15 16 Unused Unused Unused Unused ...

Page 223: ...nowledge Busy Paper End 16 17 18 25 Initialize Printer Select IN Signal Ground Serial Interface Powered and Non Powered Connector and Icon Pin Signal 1 2 3 Carrier Detect 12V if powered Receive Data Transmit Data 4 5 6 Data Terminal Ready Signal Ground Data Set Ready 7 8 9 Request to Send Clear to Send Ring Indicator 5V if powered USB Connector and Icon Pin Signal 1 2 3 4 5 VDC Data Data Ground Mi...

Page 224: ...nector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_Out_Left 2 Ring Audio_Out_Right 3 Shield Ground SCSI Low Voltage Differential Single Ended LVD SE Connector and Icon Pin Signal Pin Signal Pin Signal Pin Signal 1 16 17 18 19 Ground TERMPWR Reserved 40 41 42 D0 D1 D1 49 50 51 52 53 Ground TERMPW Reserved 60 61 62 MSG SEL C D 20 34 35 36 Ground D12 D13 43 44 45 D3 D4 D5 54 55 56 Ground ATN Ground...

Page 225: ... DB0 DB1 DB2 33 34 35 36 DB7 DBP Ground Ground 41 42 43 44 ATN Ground BSY ACK 49 50 REQ Input Output External Infrared Transceiver Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Transmit Receive Ground 4 5 6 5V Mode Not Used 7 8 Not Used Not Used Monitor Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Red Analog Green Analog Blue Analog 6 7 8 Ground Ground Ground 11 12 13 Not ...

Page 226: ...CSEL 39 40 DASP Ground MultiBay CD ROM Adapter Connector Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 RESDRV_ GROUND D07 D08 D06 18 19 20 21 22 D15 GROUND key DRQ GROUND 35 36 37 38 39 A0 A2 CS1FX CS3FX DASP 52 53 54 55 56 FP05 FP06 FP07 FP08 FP09 6 7 8 9 10 D09 D05 D10 D04 D11 23 24 25 26 27 IOW GROUND IOR GROUND IOCHDRY 40 41 42 43 44 GROUND 5VMLOG 5VMOT GROUND AUDIO_L 57 58 59 60 61 FP...

Page 227: ... 3 V 12 V GND PSON GND GND 19 20 21 22 23 24 GND open 5 V 5 V 5 V GND 24 12 13 1 24 Pin MicroFit Power Connector Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 6 5 Vaux GND 5 V 5 V PS_ON GND 7 8 9 10 11 12 PWRGD 3 3 V 3 3 V Tach GND Fan CMD 13 14 15 16 17 18 12 V 5 V Sense GND 5 V 5 V 3 3 V 19 20 21 22 23 24 GND 3 3 Sense 3 3 V 3 3 V GND 12 V 4 Pin Power for CPU Connector and Icon Pin Signa...

Page 228: ...D 3 GND 4 12 V CPU 5 12 V CPU 6 12 V 6 4 SATA Data and Power Drive Connector Pin Signal Pin Signal Pin Signal Pin Signal S1 S5 Ground B S2 S6 A B S3 S7 A Ground S4 Ground P1 P5 P9 P13 V 3 3 Ground V 5 V 12 P2 P6 P10 P14 V 3 3 Ground Ground V 12 P3 P7 P11 P15 V 3 3 V 5 Reserved V 12 P4 P8 P12 Ground V 5 Ground S Data P Power ...

Page 229: ... GND PERp3 PERn3 31 32 33 34 35 GND RSVD RSVD GND PERp4 36 37 38 39 40 PERn4 GND GND PERp5 PERn5 41 42 43 44 45 GND GND PERp6 PERn6 GND 46 47 48 49 50 GND PERp7 PERn7 GND RSVD 51 52 53 54 55 GND PERp8 PERn8 GND GND 56 57 58 59 60 PERp9 PERn9 GND GND PERp10 61 62 63 64 65 PERn10 GND GND PERp11 PERn11 66 67 68 69 70 GND GND PERp12 PERn12 GND 71 72 73 74 75 GND PERp13 PERn13 GND GND 76 77 78 79 80 PE...

Page 230: ...2 GND PETp4 PETn4 GND 36 37 38 39 40 GND PETp5 PETn5 GND GND 41 42 43 44 45 PETp6 PRTn6 GND GND PETp7 46 47 48 49 50 PETn7 GND PRSNT2 GND PETp8 51 52 53 54 55 PETn8 GND GND PETp9 PETn9 56 57 58 59 60 GND GND PETp10 PETn10 GND 61 62 63 64 65 GND PETp11 PETn11 GND GND 66 67 68 69 70 PETp12 PETn12 GND GND PETp13 71 72 73 74 75 PETn13 GND GND PETp14 PETn14 76 77 78 79 80 GND GND PETp15 PETn15 GND 81 8...

Page 231: ...uthorized HP dealer reseller or service provider General Requirements The requirements listed below are applicable to all countries 1 The length of the power cord set must be at least 1 8 m 6 00 feet and a maximum of 3 0 m 9 75 feet 2 All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be used 3 The power c...

Page 232: ...conductor 1 0 mm2 conductor size Power cord set fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SJT or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration 3 Appliance cou...

Page 233: ...Replace the system board 110 Out of Memory Space for Option ROMs Recently added PCI expansion card contains an option ROM too large to download during POST If a PCI expansion card was recently added remove it to see if the problem remains In Computer Setup disable the NIC PXE Option ROM Download to prevent PXE option ROM for the internal NIC from being downloaded during POST to free more memory fo...

Page 234: ...nuity modules are installed correctly Verify proper memory module type Remove and replace memory module s one at a time to isolate faulty module Replace the faulty memory module s If error persists after replacing memory modules replace the system board 213 Incompatible memory Module in memory Socket s X X X A memory module in memory socket identified in the error message is missing critical SPD i...

Page 235: ...10 Splash Screen image corrupted Splash Screen image has errors Install latest version of ROMPaq to restore image 511 CPU CPUA or CPUB Fan not detected Fan is not connected or may have malfunctioned Reseat fan cable Reseat the fan Replace the fan 512 Chassis rear chassis or front chassis fan not detected Fan is not connected may have malfunctioned Reseat chassis rear chassis or front chassis fan c...

Page 236: ... slot supports x1 and x16 PCI Express Link Width cards only If a x4 or x8 card is used system BIOS will attempt to retrain to a x1 If this fails the 921 error message will be displayed 1720 SMART Hard Drive Detect Imminent Failure Hard drive is about to fail Some hard drives have a firmware patch that will fix an erroneous error message Determine if hard drive is giving correct error message Run t...

Page 237: ...connectors must be used before SATA 2 and SATA 3 Ensure SATA connectors are used in ascending order For one device use SATA 0 For two devices use SATA 0 and SATA 1 For three devices use SATA 0 SATA1 and SATA 2 1801 Microcode Patch Error Processor not supported by ROM BIOS Upgrade BIOS to proper version Change the processor 1998 Master Boot Record has been lost The previously saved copy of the MBR ...

Page 238: ...data in the field or will not allow the serial number to be entered download from http www hp com and run SP5572 EXE SNZERO EXE Run Computer Setup and try to enter serial number under Security System ID then save changes Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode enabled Reconnect keyboard with computer turned off Check connector for bent or miss...

Page 239: ...D flashes every two seconds None Computer in Suspend to RAM mode select models only or normal Suspend mode None required Press any key or move the mouse to wake the computer Red Power LED flashes two times once every second followed by a two second pause Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved 2 Processor thermal protection activated A ...

Page 240: ...rd Check if a device is causing the problem by removing ALL attached devices such as hard diskette or optical drives and expansion cards Power on the system If the system enters the POST then power off and replace one device at a time and repeat this procedure until failure occurs Replace the device that is causing the failure Continue adding devices one at a time to ensure all devices are functio...

Page 241: ...hes seven times once every second followed by a two second pause Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved 7 System board failure ROM detected failure prior to video Replace the system board Red Power LED flashes eight times once every second followed by a two second pause Beeps stop after the fifth iteration but the LED continues to flas...

Page 242: ...n Press and hold the power button for less than 4 seconds If the hard drive LED turns green then Check that the voltage selector located on the rear of the power supply is set to the appropriate voltage Proper voltage setting depends on your region Remove the expansion cards one at a time until the 3V_aux light on the system board turns on Replace the system board OR Press and hold the power butto...

Page 243: ...monitor the monitor must be plugged into the monitor connector on the source selected as the primary VGA adapter During boot the other monitor connectors are disabled and if the monitor is connected into these ports the monitor will not function You can select which source will be the default VGA source in Computer F10 Setup Press and hold any key If the system beeps then the keyboard is operating...

Page 244: ... Panel 2 Replace the RTC battery Computer appears to pause periodically Network driver is loaded and no network connection is established Establish a network connection or use Computer Setup or Microsoft Windows Device Manager to disable the network controller Cursor will not move using the arrow keys on the keypad The Num Lock key may be on Press the Num Lock key The Num Lock key can be disabled ...

Page 245: ...eeps two times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Processor thermal protection activated A fan may be blocked or not turning OR The heatsink is not properly attached to the processor 1 Ensure computer air vents are not blocked and the cooling fan is running 2 Open hood press power button and see if the processor fan spins If n...

Page 246: ...lace the system board OR Press and hold the power button for less than 4 seconds If the hard drive LED does not turn on green then 1 Check that the unit is plugged into a working AC outlet 2 Open hood and check that the power button harness is properly connected to the system board 3 Check that both power supply cables are properly connected to the system board 4 If the 5 V_aux light on the system...

Page 247: ...the processor fan is not spinning make sure the fan s cable is plugged onto the system board header Ensure the fan is fully properly seated or installed 3 Replace the processor fan 4 Reseat processor heatsink and verify that the fan assembly is properly attached Power LED flashes Red four times once every second followed by a two second pause and the computer beeps four times Beeps continue for fi...

Page 248: ...u attempted to hot plug a removable hard drive that has DriveLock security enabled This feature supported on select models only Shut down the computer Insert the drive into the MultiBay if it is not already inserted Turn on the computer Diskette drive cannot write to a diskette Diskette is not formatted Format the diskette Diskette is write protected Use another diskette or remove the write protec...

Page 249: ...alid system disk message is displayed A diskette that does not contain the system files needed to start the computer has been inserted in the drive When drive activity stops remove the diskette and press the Spacebar The computer should start up Diskette error has occurred Restart the computer by pressing the power button Cannot Boot to Diskette Diskette is not bootable Replace with a bootable dis...

Page 250: ...e 1 Run Computer Setup 2 If the system still does not recognize the new device check to see if the device is listed within Computer Setup If it is listed the probable cause is a driver problem If it is not listed the probable cause is a hardware problem 3 If this is a newly installed drive enter Setup and try adding a POST delay under Advanced Power On Drive jumper settings may be incorrect If the...

Page 251: ...rd drive format using fdisk If NTFS formatting use a third party reader to evaluate the drive If FAT32 formatting the hard drive cannot be accessed Replace the MBR image 3 Install system files for the appropriate operating system if necessary Hard drive boot disabled in Computer Setup Run Computer Setup and enable the hard drive entry in the Storage Boot Order list Bootable hard drive is not attac...

Page 252: ...sages Computer seems to be locked up Program in use has stopped responding to commands 1 Attempt the normal Windows Shut Down procedure 2 Press the power button for four or more seconds to turn off the power 3 Restart the computer using the power button Solving Hard Drive Problems Continued Problem Cause Solution Solving MultiBay Problems Problem Cause Solution Drive not found You attempted to hot...

Page 253: ...ntal scan rate as the resolution chosen Computer is in standby mode Press the power button to resume from standby mode ÄCAUTION When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data Monitor cable plugged into the wrong connector If the computer system has both an integrated g...

Page 254: ...with integrated graphics replace the system board Blank screen and the power LED flashes Red eight times once every second followed by a two second pause and the computer beeps eight times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Invalid ROM based on checksum 1 Reflash the ROM using a ROMPaq diskette 2 Replace the system board Monit...

Page 255: ... a CRT monitor Electronic relays have been activated inside the monitor None It is normal for some monitors to make a clicking noise when turned on and off when going in and out of standby mode and when changing resolutions High pitched noise coming from inside a flat panel monitor Brightness and or contrast settings are too high Lower brightness and or contrast settings Fuzzy focus streaking ghos...

Page 256: ...rect The font you are using does not support that particular symbol Use the Character Map to locate the and select the appropriate symbol Click Start All Programs Accessories System Tools Character Map You can copy the symbol from the Character Map into a document Problem Cause Solution ...

Page 257: ...ct audio cable between CD or DVD ROM drive and the system board Digital CD audio is not enabled Enable digital CD audio 1 From the Control Panel select System 2 On the Hardware tab click the Device Manager button 3 Right click on the CD DVD device and select Properties 4 On the Properties tab make sure Enable digital CD audio for this CD ROM device is checked Headphones or devices connected to the...

Page 258: ...k use the multimedia device properties to switch the system to analog out If you set digital as the Output Mode the internal speaker and external analog speakers will no longer output audio until you switch back to an auto sense or analog mode If you set analog as the Output Mode external digital speakers will not function until you change the output mode back to an auto sense or digital mode Soun...

Page 259: ...he printer driver If you are on a network you may not have made the connection to the printer Make the proper network connections to the printer Printer may have failed Run printer self test Printer will not turn on The cables may not be connected properly Reconnect all cables Printer prints garbled information The correct printer driver is not installed Install the correct printer driver for the ...

Page 260: ...er cords or cables 3 The receiver should not be placed on or inside of a metal surface ÄCAUTION When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and any unsaved data will be lost Cursor will not move using the arrow keys on the keypad The Num Lock key may be on Press the Num Lock key The Num Lock light sh...

Page 261: ...ransformer computer other electrical device or power cords or cables 3 The receiver should not be placed on or inside of a metal surface ÄCAUTION When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data Mouse will only move vertically or horizontally or movement is jerky Mouse r...

Page 262: ...rely connected and that pins in the cable or connector are not bent down Power switch of new external device is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configuration you did not accept them Reboot the computer and follow the instructions for accepting the...

Page 263: ...will continue until the problem is resolved Video card is not seated properly or is bad or system board is bad For systems with a graphics card 1 Reseat the graphics card Power on the system 2 Replace the graphics card 3 Replace the system board For systems with integrated graphics replace the system board Power LED flashes Red ten times once every second followed by a two second pause and the com...

Page 264: ...etwork activity No active network is detected Check cabling and network equipment for proper connection Network controller is not set up properly Use the Network control application to verify that the device is working properly Network driver is not properly loaded Reinstall network drivers System cannot autosense the network Disable auto sensing capabilities and force the system into the correct ...

Page 265: ...for a new expansion board were installed The expansion board installed is a network card NIC and conflicts with the embedded NIC Under the Computer Setup Advanced menu change the resource settings for the board Network controller stops working without apparent cause The files containing the network drivers are corrupted Reinstall the network drivers using the Restore Plus CD The cable is not secur...

Page 266: ...plication documentation to determine the memory requirements Memory count during POST is wrong The memory modules may not be installed correctly Check that the memory modules have been installed correctly and that proper modules are used Integrated graphics may use system memory No action required Insufficient memory error during operation Too many Terminate and Stay Resident programs TSRs are ins...

Page 267: ...cted and working properly some fans only operate when needed 3 Make sure the processor heatsink is installed properly Power LED flashes Red three times once every second followed by a two second pause and the computer beeps three times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Processor is not seated properly or not installed 1 Check...

Page 268: ...he DVD drive Movie may be regionalized for a different country See the documentation that came with the DVD drive Decoder software is not installed Install decoder software Damaged media Replace media Movie rating locked out by parental lock Use DVD software to remove parental lock Media installed upside down Reinstall media Cannot eject compact disc tray load unit Disc not properly seated in the ...

Page 269: ...Problems Continued Problem Cause Solution Solving Drive Key Problems Problem Cause Solution Drive key is not seen as a drive letter in Windows XP The drive letter after the last physical drive is not available Change the default drive letter for the Drive key in Windows XP The computer boots to DOS after making a bootable Drive key Drive key is bootable Install the Drive key after the operating sy...

Page 270: ...Modem is not set up properly Reconnect the modem Verify the connections are correct using the quick setup documentation Unable to connect to the Internet continued Web browser is not set up properly Verify that the Web browser is installed and set up to work with your ISP Cable DSL modem is not plugged in Plug in cable DSL modem You should see a power LED light on the front of the cable DSL modem ...

Page 271: ...roperly s Verify that the correct modem speed and COM port are selected For Windows XP 1 Select Start Control Panel Continue with step 2 2 Double click System 3 Click the Hardware tab 4 In the Device Manager area click the Device Manager button 5 Double click Ports COM LPT 6 Right click the COM port your modem uses then click Properties 7 Under Device status verify that the modem is working proper...

Page 272: ... to RAM mode select models only or normal Suspend mode None required Press any key or move the mouse to wake the computer Red Power LED flashes two times once every second followed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is resolved 2 Processor thermal protection activated A fan may be blocked or not turning OR The heatsink fan assembly is not properl...

Page 273: ...time and repeat this procedure until failure occurs Replace the device that is causing the failure Continue adding devices one at a time to ensure all devices are functioning properly 3 Replace the power supply 4 Replace the system board Red Power LED flashes five times once every second followed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is resolved 5 P...

Page 274: ...ollowed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is resolved 9 System powers on but is unable to boot 1 Check that the voltage selector located on the rear of the power supply some models is set to the appropriate voltage Proper voltage setting depends on your region 2 Replace the system board 3 Replace the processor Red Power LED flashes ten times onc...

Page 275: ...em board OR Press and hold the power button for less than 4 seconds If the hard drive LED does not turn on green then 1 Check that the unit is plugged into a working AC outlet 2 Open hood and check that the power button harness is properly connected to the system board 3 Check that both power supply cables are properly connected to the system board 4 Check to see if the LED light on the system boa...

Page 276: ...D 34 361288 003 Service Reference Guide dc7100 ...

Page 277: ... RJ45 Dual USB Quad stacked USB First IEEE 1394 connector J12 J20 29 J30 J31 J35 J37 Second IEEE 1394 connector PCI slots PCI extender slot male PCI Express slots Primary SCSI connector J38 J39 J40 J41 J50 Secondary SCSI connector Stacked parallel SCSI connector AGP slot x16 PCI Express slot for graphics First parallel port J51 J52 J53 J54 J55 Second parallel port Double stacked parallel port Top ...

Page 278: ...ots on riser card Clear password header jumper USB front port choke 1st USB rear port choke 1st L3 L4 L5 P1 P2 USB rear port choke 2nd USB rear port choke 3rd USB front port choke 2nd P S connector 20 or 24 pin Second P S connector as required P3 P4 P5 P6 P7 Processor 12V header Secondary Processor 12V header Main Power HDD LED connector Speaker connector Analog audio connector from CD ROM P8 P9 P...

Page 279: ...106 Graphics option connector Primary CPU fan header for fansink Secondary CPU fan header for fansink Security board connector system board Secondary speaker header P124 P125 P126 P216 SW2 Hood lock header Hood sensor header Flying parallel port header White box chassis fan header Security hood switch on riser card SW50 U2 U3 U4 U5 Clear CMOS switch push button Single chip solution combined north ...

Page 280: ...ower switch XBT XMM1 XMM2 XMM5 XU1 XU2 Battery retainer Memory slot DIMM1 or RIMM1 populated and tested Following memory slots Primary processor socket Secondary processor socket XU15 U15 Y1 Y2 Y3 Y4 Y5 H5 ROM socket XU15 Primary TH system clock crystal Secondary SMT system clock crystal Primary NIC clock crystal Secondary NIC clock crystal RTC clock crystal tie down Designator Component Continued...

Page 281: ... MHz or PC3200 400 MHz compliant 2 5 volt DDR SDRAM DIMMs The DDR SDRAM DIMMs must also support CAS latency 2 5 or 3 CL 2 5 OR CL 3 contain the mandatory JEDEC SPD information In addition the computer supports 256Mbit 512Mbit AND 1 gBIT non ECC memory technologies single sided and double sided DIMMS DIMMs constructed with x8 and x16 DDR devices DIMMs constructed with x4 SDRAM are not supported The...

Page 282: ...e system total memory The system will operate in single channel mode if the DIMM sockets are populated in one channel only The system will operate in dual channel Asymmetric mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B The system will operate in a higher performing dual channel Interleaved mode if the total memory c...

Page 283: ... 3 In any mode the maximum operational speed is determined by the slowest DIMM in the system For example if the system is populated with a DIMM that is 333 MHz and a second DIMM that is 400 MHz the system will run at the slower of the two speeds ...

Page 284: ...F 4 361288 003 Service Reference Guide d7100 ...

Page 285: ... 6 10 SFF 7 14 cable pinouts PATA data 4 3 PATA power 4 3 SATA data 4 2 SATA power 4 2 categories Diagnostics for Windows 2 16 cautions AC power 5 1 adding devices 1 1 batteries 5 9 cables 5 9 cooling fan 5 8 keyboard cleaning 5 7 keyboard keys 5 7 operating system installation 1 1 protecting ROM 3 4 chassis CMT illustrated 5 1 SFF illustrated 5 2 chassis fan CMT removal and replacement 6 38 SFF r...

Page 286: ... removal and replacement 7 11 computer pauses D 2 Computer Setup heading advanced 2 11 file 2 4 security 2 8 storage 2 5 utilities 2 3 Configuration Record Utility 2 18 connector pin assignments A 1 to A 7 conversion CMT desktop to minitower 6 40 CMT minitower to desktop 6 43 convertible minitower See CMT country specific power cord set requirements B 2 D date and time display D 2 device drivers i...

Page 287: ... 21 G grounding methods 5 4 H hard drive CMT removal and replacement 6 21 proper handling 5 9 SFF removal and relacement 7 30 USDT removal and replacement 8 19 headphone pin assignments A 4 heatsink CMT removal and replacement 6 34 SFF removal and replacement 7 40 USDT fan and shroud removal and replacement 8 23 USDT removal and replacement 8 22 hood sensor CMT removal and replacement 6 3 SFF remo...

Page 288: ...rive D 8 hardware installation D 20 Internet access D 28 keyboard D 18 memory D 24 mouse D 18 MultiBay D 10 network D 22 optical drives D 26 power supply D 5 printer D 17 processor D 25 processor CMT removal and replacement 6 35 SFF removal and replacement 7 41 USDT removal and replacement 8 24 protecting ROM caution 3 4 R reference designators riser card E 1 system board E 1 removal and replaceme...

Page 289: ...e 5 8 SCSI pin assignments A 4 SDRAM synchronous dynamic random access memory F 1 security CMT 6 4 Computer Setup heading 2 8 SFF 7 5 USDT 8 3 security features mechanical 3 16 Setup F10 3 13 serial interface pin assignments A 3 service considerations 5 8 setup software 1 2 windows 1 1 SFF battery removal and replacement 7 58 cable lock removal and replacement 7 5 cable management 7 14 chassis fan...

Page 290: ...lock SFF removal and replacement 7 6 USB pin assignments A 3 USDT access panel removal and replacement 8 5 battery removal and replacement 8 27 cable lock removal and replacement 8 3 disassembly preparation 8 1 expansion card removal and replacement 8 15 expansion card retaining latch removal and replacement 8 18 external security 8 3 front bezel removal and replacement 8 8 front I O device remova...

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HP Compaq Business Desktop dc7100 Series, Reference Manual

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Summary of Contents for Compaq Business Desktop dc7100 Series

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