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HP Compaq dc7700 DT, Reference Manual

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6–2

433612-001

Service Reference Guide, dc7700

Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis

6.2  Unlocking the Smart Cover Lock 

If you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the 

Desktop Management Guide

 on the 

Documentation and Diagnostics 

CD for more information 

about the Smart Cover Lock.

If you cannot access Computer Setup 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 the Smart Cover FailSafe Key, remove the two tamper-proof screws that secure the 

Smart Cover Lock to the inside of the chassis.

2. Remove the access panel (

Section 6.5

).

To reattach the Smart Cover Lock, secure the lock in place with the two tamper-proof screws.

Summary of Contents for Compaq dc7700 DT

Page 1: ...es information on the removal and replacement of all parts as well as information on troubleshooting Desktop Management setup utilities PATA and SATA drives safety routine care connector pin assignments POST error messages and diagnostic indicator lights Document Part Number 433612 001 ...

Page 2: ......

Page 3: ...Service Reference Guide HP Compaq dc7700 Business PC dc7700 1st Edition Document Part Number 433612 001 September 2006 ...

Page 4: ...trued as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein This document contains proprietary information that is protected by copyright No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company ÅWARNING Text set off in this manner ind...

Page 5: ...mation in HP Insight Diagnostics 2 18 2 3 8 Downloading the Latest Version of HP Insight Diagnostics 2 18 3 Desktop Management 3 1 Initial Configuration and Deployment 3 1 3 1 1 HP OpenView Agent 3 2 3 1 2 Altiris Deployment Solution Agent 3 2 3 1 3 HP Backup and Recovery Manager 3 2 3 2 Remote System Installation 3 3 3 3 Software Updating and Management 3 3 3 3 1 HP Client Management Interface 3 ...

Page 6: ...al Sensor 3 26 4 Serial and Parallel ATA Drive Guidelines and Features 4 1 SATA Hard Drives 4 1 4 2 SATA Hard Drive Cables 4 2 4 2 1 SATA Data Cable 4 2 4 2 2 SATA Power Cable 4 2 4 3 PATA Device Information 4 3 4 4 ATA SMART Drives 4 3 4 5 Hard Drive Capacities 4 3 5 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 Chassis Designations 5 1 5 1 1 Convertible Minitower CMT 5 1 5...

Page 7: ...7 Front Drive Bezels 6 7 6 7 1 5 25 Drive Bezel Blank 6 7 6 7 2 Diskette Drive Bezel or Bezel Blank 6 8 6 8 Cable Management 6 9 6 8 1 Cable Connections 6 10 6 9 Memory 6 11 6 10Expansion Cards 6 12 6 11PCI Retainer Latch 6 16 6 12Expansion Card Guide 6 18 6 13Drives 6 19 6 13 1Drive Positions 6 19 6 13 2Hard Drive 6 20 6 13 3Optical Drive 6 22 6 13 4Diskette Drive 6 25 6 14Front I O Device 6 26 6...

Page 8: ...mbly and Backwall 7 17 7 11Drives 7 22 7 11 1Drive Positions 7 22 7 11 2Optical Drive 7 23 7 11 3External 3 5 inch Drive 7 25 7 11 4Primary Hard Drive 7 27 7 12Fan Shroud 7 30 7 13Front I O Devices 7 31 7 14Heatsink 7 32 7 15Processor 7 33 7 16Speaker 7 35 7 17Power Supply 7 36 7 18Chassis Fan 7 38 7 19System Board 7 39 7 20Drive Clutch Components 7 42 7 21Power Switch Assembly 7 44 7 22Battery 7 ...

Page 9: ...atch 8 17 8 14Hard Drive 8 18 8 15Front I O Device 8 20 8 16Heatsink Assembly 8 21 8 17Processor 8 22 8 18Power Supply 8 24 8 19System Board 8 25 8 20Battery 8 26 8 20 1Type 1 Battery Holder 8 27 8 20 2Type 2 Battery Holder 8 28 8 20 3Type 3 Battery Holder 8 29 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E System Board and R...

Page 10: ...viii 433612 001 Service Reference Guide dc7700 Contents ...

Page 11: ...ed with a Microsoft operating system some portions of this documentation do not apply For complete operating system installation and configuring instructions refer to the operating system documentation Additional information is available in online help Microsoft security updates are available on the Microsoft Web site 1 1 Installing or Upgrading Device Drivers To install optional hardware devices ...

Page 12: ...izard then click Next 2 Select Create factory software recovery CDs or DVDs to recover the system 3 Follow the instructions in the wizard The HP Backup and Recovery Manager can be used to back up data and system files to the hard drive to network drives or to removable media such as CDs DVDs or flash media If data or system files are lost deleted or corrupted Backup and Recovery Manager allows you...

Page 13: ...ish 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 Keyboard Memor...

Page 14: ...ayed regardless of the mode selected 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 a...

Page 15: ...guage 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 Utilities menu press Esc 6 To apply and save changes select Fi...

Page 16: ...to Removable Media Saves system configuration including CMOS to a formatted 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 configura...

Page 17: ...ion Allows you to select a drive emulation type for a certain storage device For example a Zip drive can be made bootable by selecting diskette emulation Drive Type Emulation Options ATAPI Zip drive None treated as Other Diskette treated as diskette drive Hard disk None prevents BIOS data accesses and disables it as a boot device Hard disk treated as hard drive Legacy diskette No emulation options...

Page 18: ...ly when User translation mode is selected Allows you to specify the parameters logical cylinders 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 on...

Page 19: ... to SATA devices using the AHCI interface Select this mode if the target operating system supports accessing the SATA devices via AHCI e g Windows Vista and AHCI accesses are desired Windows 2000 and Windows XP require a third party device driver to access SATA devices using the AHCI interface If you attempt to boot with either of these operating systems in AHCI mode without the required device dr...

Page 20: ...tions some models Allows you to enable disable the Smart Card to be used in place of the Power On Password This option only appears if a Smart Card reader is attached to the system 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 und...

Page 21: ...isables 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 set Asset tag 18 byte identifier and ownership Tag 80 byte identifier displayed during POST Chassis serial number or Universal Unique Identifier UUID number Th...

Page 22: ...Idle Power Savings Extended Normal Allows certain operating systems to decrease the processors power consumption when the processor is idle 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 activit...

Page 23: ...from being displayed but pressing F12 will still force the system to attempt booting from the network Option ROM prompt enable disable Enabling this feature will cause the system to display a message before loading options ROMs This feature is supported on some models only Remote wakeup boot source remote server local hard drive After Power Loss off on previous state Set this option to ON Off caus...

Page 24: ...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 these devices or to disable them entirely These settings have...

Page 25: ...mpletely disable the network controller NIC by using the arrow left and right keys to select the Security Device Security menu Set the Network Controller option to Device Hidden This prevents the network controller from being used by the operating system and reduces the power used by the computer in S5 Processor cache enable disable Unique Sleep State Blink Patterns Allows you to choose an LED bli...

Page 26: ...e current configuration of the computer From the Survey tab there is access to several categories of information about the computer Other tabs provide additional information including diagnostic test options and test results The information in each screen of the utility can be saved as an html file and stored on a diskette or USB HP Drive Key Use HP Insight Diagnostics to determine if all the devi...

Page 27: ...t you accept the assigned default keyboard for your language unless you want to test your specific keyboard 6 In the End User License Agreement page click Agree if you agree with the terms The HP Insight Diagnostics utility launches with the Survey tab displayed 2 3 2 Survey Tab The Survey tab displays important system configuration information In the View section on the left side of the screen yo...

Page 28: ...e are two test modes to choose from Interactive Mode Provides maximum control over the testing process The diagnostic software will prompt you for input during tests that require your interaction You may also determine whether the test passed or failed Unattended Mode Does not display prompts and requires no interaction If errors are found they are displayed when testing is complete To begin testi...

Page 29: ... Clear Test Log button will clear the contents of the Test Log The Error Log displays the tests for devices that have failed during the diagnostic testing and includes the following columns of information The Device section displays the device tested The Test section displays the type of test run The Description section describes the error that the diagnostic test found The Recommended Repair will...

Page 30: ...lick the Save button An html file will be saved to the inserted diskette or USB HP Drive Key Do not remove the diskette or Drive Key until you see a message indicating that the total file has been written to the media 5 Print the information from the storage device used to save it To exit HP Insight Diagnostics click the Exit Diagnostics button in the bottom left corner of the screen then remove t...

Page 31: ...ed A customized software image may be deployed by Installing additional software applications after unbundling the preinstalled software image Using software deployment tools such as HP OpenView Client Configuration Manager HP OpenView PC Configuration Management Solutions or Altiris Deployment Solution to replace the preinstalled software with a customized software image Using a disk cloning proc...

Page 32: ...re Setup 4 Click Next 5 Scroll down and click on the link to install Altiris AClient 3 1 3 HP Backup and Recovery Manager HP Backup and Recovery Manager can create the Restore Plus CD set This set includes the Restore Plus CD the Operating system CD and any Supplemental Software CDs ÄCAUTION The Restore Plus CD set will not include and system settings or user data created after the initial system ...

Page 33: ...ware on desktops workstations and notebooks HP System Software Manager HP Client Manager HP ProtectTools Security Manager HP Client Premium Suite HP Client Foundation Suite HP OpenView Client Configuration Manager HP OpenView PC Configuration Management Solutions HP Proactive Change Notification HP Subscriber s Choice 3 3 1 HP Client Management Interface HP Client Management Interface HP CMI provi...

Page 34: ...pdated System Software Manager integrates with enterprise software distribution tools such as Microsoft Systems Management Server SMS Using SSM you can distribute customer created or third party updates that have been packaged in the SSM format SSM may be downloaded at no charge by visiting www hp com go ssm 3 3 3 HP Client Manager HP Client Manager developed with Altiris is available free for sup...

Page 35: ...tectTools requires an optional smart card and reader ProtectTools modules may be preinstalled preloaded or available for purchase from the HP Web site Visit http www hp com products security for more information 3 3 5 HP Client Premium Suite HP Client Premium Suite HP CPS is designed for organizations wanting full client hardware and software lifecycle management from a single Web based management...

Page 36: ...w Client Configuration Manager visit http www managementsoftware hp com products ccm index html 3 3 8 HP OpenView PC Configuration Management Solutions HP OpenView Configuration Management solutions automate the management of software such as operating systems applications patches content and configuration settings to ensure that each computing device is maintained in the right configuration Prove...

Page 37: ...vpro For HP specific information on Intel vPro technology see the white papers at http www hp com support Select your country and language select See support and troubleshooting information enter the model number of the computer and press Enter In the Resources category click Manuals guides supplements addendums etc Under Quick jump to manuals by category click White papers On Intel vPro branded P...

Page 38: ...ble LAN virtualization support SOL IDE R allows administrator to enable remote boot and control sessions Change MEBx Password HP highly recommends that this password be changed The default password is admin In order to remotely manage AMT systems the administrator must use a remote console that supports AMT Enterprise management consoles are available from suppliers such as HP OpenView Altiris and...

Page 39: ...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 the BIOS you may download the latest BIOS images from the HP driver and support page http h18000 www1 hp com support files CAUTION For maximum ROM protection be sure to establish a setup password The setup password prevents unauthorized ROM up...

Page 40: ...f the system BIOS image is not valid a failsafe Boot Block BIOS provides enough support to search removable media for BIOS image files If an appropriate BIOS image file is found it is automatically flashed into the ROM When an invalid system BIOS image is detected the system power LED will blink red 8 times one blink every second Simultaneously the speaker will beep 8 times If the portion of the s...

Page 41: ...rt it now 3 Turn on the computer 4 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 5 If you are using a a diskette insert it now 6 Sele...

Page 42: ...be used 2 Select a setup configuration to copy Turn off the computer If you are in Windows click Start Shut Down Shut Down 3 If you are using a USB flash media device insert it now 4 Turn on the computer 5 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press F10 at the appro...

Page 43: ...COM or FORMAT COM into a diskette drive and turn on the computer to boot to the DOS diskette 4 Run FDISK from the A prompt by typing FDISK and pressing Enter If prompted click Yes Y to enable large disk support 5 Enter Choice 5 to display the drives in the system The USB flash media device will be the drive that closely matches the size of one of the drives listed It will usually be the last drive...

Page 44: ...SB flash media device you must have USB flash media device Bootable DOS diskette with the FDISK and SYS programs If SYS is not available FORMAT may be used but all existing files on the USB flash media device will be lost PC that is bootable from a USB flash media device ÄCAUTION Some older PCs may not be bootable from a USB flash media device If the default boot order in the Computer Setup F10 Ut...

Page 45: ...er Computer Setup Press Enter to bypass the title screen if necessary 15 Go to Advanced PCI Devices and re enable the PATA and SATA controllers that were disabled in step 6 Put the SATA controller on its original IRQ 16 Save the changes and exit The computer will boot to the USB flash media device as drive C The default boot order varies from computer to computer and it can be changed in the Compu...

Page 46: ...OM images needed to run the latest Microsoft Windows operating system on the HP computer 3 4 7 Industry Standards HP management solutions integrate with other systems management applications and are based on industry standards such as Web Based Enterprise Management WBEM Windows Management Interface WMI Wake on LAN Technology ACPI SMBIOS Pre boot Execution PXE support 3 5 Asset Tracking and Securi...

Page 47: ... the computer locally through the Computer Setup F10 Utilities Security Features Overview Option Description Setup Password Allows you to set and enable 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 Power On Password Allows you to set and enable power on passwo...

Page 48: ...rial 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 some models Allows you to assign or modify a master or user password for certain ATA hard drives When this feature is enabled the user is prompted to provide one of the DriveLock passwords during POS...

Page 49: ...word is entered 1 Turn on or restart the computer If you are in Windows click Start Shut Down Restart 2 As soon as the computer is turned on press F10 when the monitor light turns green to enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to ac...

Page 50: ...click Start Shut Down Restart 2 When the key icon appears on the monitor type the current password then press Enter Type carefully for security reasons the characters you type do not appear on the screen If you enter the password incorrectly a broken key icon appears Try again After three unsuccessful tries you must turn off the computer then turn it on again before you can continue Entering a Set...

Page 51: ... effect the next time you turn on the computer Refer to National Keyboard Delimiter Characters for information about the alternate delimiter characters The power on password and setup password may also be changed using the Security options in Computer Setup Deleting a Power On or Setup Password If the system is equipped with an embedded security device refer to the HP ProtectTools Security Manager...

Page 52: ...n compared 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 ...

Page 53: ...instructed to cycle power DriveLock Applications The most practical use of the DriveLock security feature is in a corporate environment The system administrator would be responsible for configuring the hard drive which would involve among other things setting the DriveLock master password and a temporary user password In the event that the user forgets the user password or the equipment is passed ...

Page 54: ... desired security level 4 Before exiting select File Save Changes and Exit Smart Cover Lock The Smart Cover Lock is a software controllable cover lock featured on some 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 establish a setup password The setu...

Page 55: ... F10 at the appropriate time you must restart the computer and again press F10 when the monitor light turns green to access the utility 3 Select Security Smart Cover Cover Lock Unlock 4 Before exiting select File Save Changes and Exit Using the Smart Cover FailSafe Key If you enable the Smart Cover Lock and cannot enter your password to disable the lock you will need a Smart Cover FailSafe Key to ...

Page 56: ...iled tests 3 6 1 Drive Protection System The Drive Protection System DPS is a diagnostic tool built into the hard drives installed in some HP computers DPS is designed to help diagnose problems that might result in unwarranted hard 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 tim...

Page 57: ...easier If there is an error on the application of the attach rules a POST error message may be displayed Serial ATA Hard Drive Characteristics Number of pins conductors in data cable 7 7 Number of pins in power cable 15 Maximum data cable length 39 37 in 100 cm Data interface voltage differential 400 700 mV Drive voltages 3 3 V 5V 12 V Jumpers for configuring drive N A Data transfer rate 3 0 Gb s ...

Page 58: ...igned to transmit data for only a single drive As shown in the table each cable has 3 grounds and 4 transmit receive pins 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 differ...

Page 59: ...a fault alert 4 5 Hard Drive Capacities The combination of the file system and the operating system used in the computer 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 ...

Page 60: ...4 4 433612 001 Service Reference Guide dc7700 Serial and Parallel ATA Drive Guidelines and Features ...

Page 61: ...ce 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 Convertible Minitower CMT ...

Page 62: ...5 2 433612 001 Service Reference Guide dc7700 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 2 Small Form Factor SFF 5 1 3 Ultra Slim Desktop USDT ...

Page 63: ...rcuitry 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 s...

Page 64: ...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 65: ...he keyboard feet down directly against the front of the desktop unit as this also restricts airflow Occasionally 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 Be sure to unplug the computer before cleaning the air vents If operating in a dusty environment periodic cleaning of heatsink and fans is recommended to ...

Page 66: ...ing alcohol No rinsing is needed as the alcohol will evaporate quickly and not leave a residue After cleaning always wipe the unit with a clean lint free cloth Occasionally clean the air vents on the computer Lint and other foreign matter can block the vents and limit the airflow 5 4 3 Cleaning the Keyboard Follow all safety precautions in Section 5 4 1 before cleaning the keyboard To clean the to...

Page 67: ...from the ball socket and wipe the ball with a clean dry cloth before reassembly To clean the mouse body follow the procedures in Section 5 4 2 5 5 Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer 5 5 1 Power Supply Fan The power supply fan is a variable speed fan based on the temperature in the power...

Page 68: ...aught or snagged by parts being removed or replaced Ä CAUTION When servicing this computer ensure that cables are placed in their proper location during the reassembly process Improper cable placement can damage the computer 5 5 5 Hard Drives Handle hard drives as delicate precision components avoiding all physical shock and vibration This applies to failed drives as well as replacement spares If ...

Page 69: ...replacement procedures Å WARNING This computer contains a lithium battery There is a risk of fire and chemical burn if the battery is handled improperly Do not disassemble crush puncture short external contacts dispose in water or fire or expose it to temperatures higher than 140ºF 60ºC Do not attempt to recharge the battery N Batteries battery packs and accumulators should not be disposed of toge...

Page 70: ...5 10 433612 001 Service Reference Guide dc7700 Identifying the Chassis Routine Care and Disassembly Preparation ...

Page 71: ...emove any diskette compact disc or media card 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 the cooling fan is on even when t...

Page 72: ...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 remov...

Page 73: ... 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 74: ...es 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 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 ...

Page 75: ...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 2 5 cm 1 inch then lift it off the unit 2 To install the computer cover reverse the removal procedure ...

Page 76: ...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 77: ...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 78: ...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 79: ...es 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 pro...

Page 80: ...nk fan P8 CHASSIS FAN Chassis fan P5 F_PNL Front power button LED P23 FRNT USB Yellow Front I O audio P24 FRNT AUD black Front I O USB cable P6 SPKR Internal speaker P52 SERIAL B Serial port P124 HLCK Hood lock solenoid P125 HSENSE Hood sensor Power Supply Connector ID Description P1 Main power P3 CPU power P4 White 1st ODD or 2nd HDD if no ODD present SATA1 P5 Dark blue 1st Hard drive SATA0 P6 PA...

Page 81: ...ation 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 6 1 2 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 3 Open both latches of the memory module socket 1 and insert...

Page 82: ...mally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover Sensor 6 10 Expansion Cards 1 Prepare the computer for disassembly 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 th...

Page 83: ...straight up to release it from the chassis frame 6 If you are removing an expansion card from a standard 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 ...

Page 84: ...on card straight up then pull 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 8 Store the removed card in anti static packaging 9 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 s...

Page 85: ... connector seats properly in the expansion card socket on the system board 11 Close the expansion slot latch making sure that it snaps firmly into place 12 Connect external cables to the installed card and internal cables to the system board as needed 13 Replace the computer access panel 14 If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover S...

Page 86: ... 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 complete the removal by pulling the latches ...

Page 87: ...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 88: ...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 1 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 89: ...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 drives and media card reader 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 shorte...

Page 90: ...the connector Refer to Section 5 2 Electrostatic Discharge Information for more information about preventing electrostatic damage 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 Prepare the computer for disassembly Section 6 1 2 ...

Page 91: ...the old drive and install them in the replacement drive Extra guide screws are provided on the chassis Hard drives use 6 32 standard screws Optical drives use M3 metric screws The HP supplied metric screws are black The HP supplied standard screws used on hard drives are silver 7 Store the removed drive in anti static packaging 8 Install the new drive by sliding it into the appropriate drive bay o...

Page 92: ...on 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 4 Disconnect the power and data cables on the back of the drive ÄCAUTION When removing cables pull the tab or connector instead of the cable itself to prevent damaging the cable 5 If the computer is in the desktop mode continue with step 7 If the computer is in the...

Page 93: ...rive and slide the drive from the drive bay 2 8 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 used only for hard drives are si...

Page 94: ...installing any drive into the drive bay may result in damage to the drive 10 When installing an optical drive the default audio solution is digital audio No separate audio cable is required for Windows XP applications 11 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 opti...

Page 95: ...on the side of the drive bay under the access panel The diskette drive uses M3 metric screws The HP supplied metric screws are black The HP supplied standard screws used only for hard drives are silver 6 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 slots in the drive cage The use...

Page 96: ...the mounting bracket off the chassis 3 8 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 cab...

Page 97: ... the front bezel Section 6 6 4 Disconnect the power switch LED cable from the system board 5 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 t...

Page 98: ...tion 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 99: ...the HP 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 Computer Setup F10 Utility Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general hou...

Page 100: ...older 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 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 101: ...e battery pops 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 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups usi...

Page 102: ... the clip 1 that holds the battery in place then remove the battery 2 2 Insert the new battery and position the clip back in place 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Page 103: ...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 processor ÄCAUTION...

Page 104: ... 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 in its socket and close the retainer 2 Secure the locking lever If reusing the existing heatsin...

Page 105: ...re 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 ROM to ensure that the latest version of the BIOS is being used on the computer The latest system BIOS can be found on the Web at http h18000 www1 hp com support files 6 20 Speaker 1 Prepare the computer for disassembly Section 6 1 2 Remove t...

Page 106: ... 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 Be sure to orient the air flow out of the unit Refer to the air flow arrows on the side of the fan housing for proper air flow orientation ...

Page 107: ... injury and damage to the equipment the 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 and...

Page 108: ...ocedures Convertible Minitower CMT Chassis 4 With the power supply stopped by the retaining clips 1 lift the power supply to raise it over the clips then slide the power supply forward 2 to remove it from the computer To install the power supply reverse the removal procedure ...

Page 109: ...er for disassembly Section 6 1 2 Remove the computer access panel Section 6 5 3 Remove the front bezel Section 6 6 4 Disconnect all power and data cables from the back of the drives in the 5 25 inch drive bays 5 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 of the drive bay ...

Page 110: ...om bay supports a drive that is no more than 17 cm 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 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 8 Reconnect all power and...

Page 111: ...assis 11 Reposition the subpanel rotate it 90 with the logo at the bottom then snap it back into the bezel 12 Replace the front bezel and computer access panel 13 Reconnect the external equipment 14 If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover Sensor ...

Page 112: ... 2 Remove the computer access panel Section 6 5 3 Remove the front bezel Section 6 6 4 Disconnect all power and data cables from the back of the drives in the 5 25 inch drive bays 5 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 bay Repeat this step for each 5 25 inc...

Page 113: ...ay supports a drive that is no more than 17 cm 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 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 8 Reconnect all power and dat...

Page 114: ...assis 11 Reposition the subpanel rotate it 90 with the logo at the bottom then snap it back into the bezel 12 Replace the front bezel and computer access panel 13 Reconnect the external equipment 14 If you normally lock the Smart Cover Lock use Computer Setup to relock the lock and enable the Smart Cover Sensor ...

Page 115: ...plications 3 Exit the operating system 4 Remove any diskette or compact disc 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 th...

Page 116: ...ey 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 To open the computer cover with the Smart Cover Lock engaged 1 Prepare the computer for disassembly Section 7 1 2...

Page 117: ...Factor SFF Chassis To reattach the Smart Cover Lock 1 Install the Smart Cover Lock assembly on the inside of the rear panel with the metal arm 1 wrapped around the air vent grid on the back of the chassis 2 Use the supplied tamper resistant screw 2 to secure the Smart Cover Lock to the chassis ...

Page 118: ...er 3 Remove the special security clip Section 7 4 1 from the top corner of the power supply cage 4 Raise the power supply to its full upright position 5 Disconnect the hood sensor cable from the system board 6 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 119: ...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 120: ...val and Replacement Procedures Small Form Factor SFF Chassis 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 ...

Page 121: ...UTION 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 122: ...disassembly Section 7 1 2 Remove the computer cover Section 7 5 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 123: ...ide dc7700 433612 001 7 9 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 124: ... position 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 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 p...

Page 125: ... Cable To PCA Designator Diskette drive System board P10 FLOPPY Black 1st SATA Hard drive System board P60 SATA 0 Dark Blue 2nd SATA Hard drive if no ODD 1st ODD System board P61 SATA 1 White 2nd SATA Hard drive if ODD present System board P62 SATA 2 Light blue Serial port A System board P54 COM A Serial port B System board P52 COM B Hood lock solenoid System board P124 HLCK Heatsink fan System bo...

Page 126: ... 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 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 ÅWARNING To reduce risk of personal injury from hot surfaces allow the internal system components to cool before touching 4 Open both latches...

Page 127: ... the Smart Cover Lock restart the computer and enter Computer Setup to unlock the lock 2 Turn off the computer properly through the operating system then turn off any external devices 3 Disconnect the power cord from the power outlet and disconnect any external devices 4 Remove the computer cover Section 7 5 5 Release the slot cover retention latch that secures the PCI slot covers by lifting the g...

Page 128: ...gh the operating system then turn off any external devices 3 Disconnect the power cord from the power outlet and disconnect any external devices 4 Remove the computer cover Section 7 5 5 Identify the slot into which you want to insert the expansion card 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...

Page 129: ...hen installing an expansion card 9 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 130: ...fting 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 not to scrape th...

Page 131: ...e lock Section 7 2 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 4 Remove all PCI and PCI Express expansion cards from the PCI expansion slots Section 7 9 5 Rotate the optical and diskette drive cage to its upright position 6 Remove the security clip Section 7 4 1 rotate the power supply to its full upright position 1 then lift the power supply straight...

Page 132: ...ecurity wrench and disconnect its cable from the system board Section 7 2 8 Disconnect the data and power cables from the system board 9 Disconnect the Serial A cable from the system board remove the two screws that secure the serial connector to the backwall then remove the serial connector 10 Remove the fan shroud by lifting it up and out Section 7 12 11 Remove the chassis fan Section 7 18 ...

Page 133: ...t Procedures Small Form Factor SFF Chassis 12 Remove the long mounting screw that secures the system board tray to the chassis 13 Slide the system board tray assembly towards the front of the chassis about 6 cm 1 4 inch and lift the system board up and out of the chassis ...

Page 134: ...s 14 Remove the three screws that secure the backwall assembly to the chassis 1 then slide the backwall assembly a few millimeters inches toward the space vacated by the power supply and lift out 2 15 Slide the new backwall onto the rear chassis 1 Secure it with the three screws removed from the old backwall 2 ...

Page 135: ...18 Install the chassis fan and connect the control cable to the system board 19 Reconnect all power and data cables to the system board Be sure to use proper cable handling and placement precautions 20 Install the power supply Rotate it to its normal operating position Be sure to use proper cable handling and placement precautions 21 Install the full height PCI expansion card in the available slot...

Page 136: ... files on the hard drive are backed up to an external storage device before removing the hard drive Failure to do so will result in data loss After replacing the primary hard drive you will need to run the Restore Plus CD to load the HP factory installed files 7 1 1 1 Drive Positions To verify the type and size of the storage device installed in the computer run Computer Setup Drive Positions Item...

Page 137: ...he computer An optical drive is a CD ROM CD R RW DVD ROM DVD R RW or CD RW DVD Combo drive 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 2 Prepare the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 4 Rotate the drive cage to its upright position by pulling on the green tabbed lip 5 Disconnect the power and data cables from...

Page 138: ...ore trying to remove the drive 7 Press the green drive retainer latch and slide the drive forward and lift it from the drive cage 8 When replacing the drive transfer the four screws from the old drive to the new one The screws take the place of drive rails ÄCAUTION Use only 5 mm long screws as guide screws Longer screws can damage the internal components of the drive ...

Page 139: ...the computer for disassembly Section 7 1 3 Remove the computer cover Section 7 5 4 Remove the optical drive Section 7 11 2 5 Rotate the drive cage to its upright position by pulling on the green tabbed lip 6 Disconnect the signal 1 and power 2 cables from the drive The other end of the cables should remain connected to the system board Diskette drive is shown 7 Rotate the drive cage down to its no...

Page 140: ... approximately 6mm 1 4 inch 2 9 Lift the rear of the drive up so that the rear guide screws clear the top of the drive cage 1 As the drive rises it automatically slides forward until it is free from the drive cage 2 To replace the drive reverse the removal procedure making sure you rotate the rear of the drive down pivoting on the front screws When replacing the drive transfer the four metric scre...

Page 141: ...rn 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 Refer to Section 5 2 Electrostatic Discharge Information for more information about preventing electrostatic damage Handle a drive carefully do not drop it Do not use excessive for...

Page 142: ...vice Reference Guide dc7700 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 143: ...lide 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 dark blue connector labeled SATA...

Page 144: ...f 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 Plus CD When the restore process has completed reinstall any personal files that you backed up before replacing the hard drive 7 12 Fan Shroud 1 Prepare t...

Page 145: ... computer cover Section 7 5 3 Remove the two screws that secure the front I O device to the chassis 1 4 Rotate the drive cage to its full upright position 5 Disconnect the front I O cable from the system board 6 Push the front I O device into the chassis 2 and snake the cable through the tunnel 3 to remove the device from the chassis To reinstall the front I O device reverse the removal procedure ...

Page 146: ...ortant 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 and set it 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 alcohol wipe and fresh thermal grease has been applied to the top of the proce...

Page 147: ...roprocessor 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 installing the processor to prevent dam...

Page 148: ...e 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 as in an...

Page 149: ...he fan shroud Section 7 12 4 Remove any memory modules that might interfere with the screwdriver used for removing the speaker 5 Disconnect the speaker wire from the system board 6 Remove the two screws that secure the speaker to the chassis 1 7 Rotate the top of the speaker back to clear the lip on the top of the chassis then lift the speaker up and out of the chassis 2 To install the speaker rev...

Page 150: ...the computer and or the AC outlet before opening the computer 1 Prepare the computer for disassembly Section 7 1 2 Remove the computer cover Section 7 5 3 Remove the security clip 4 Rotate the drive cage up and disconnect the power cables from all of the drives 5 Disconnect the power cables from the system board 6 Release the power supply cable from the cable retaining clips on the bottom of the c...

Page 151: ...upply to its full upright position 1 then lift the power supply straight up and out of the chassis 2 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 152: ...computer cover Section 7 5 3 Remove the fan shroud Section 7 12 4 Disconnect the chassis fan cable from the system board 5 Remove the four screws that secure the fan to the chassis then remove the fan from the chassis To install the chassis fan reverse the removal procedure Be sure to orient the air flow into the unit The molded grille on the chassis fan should face the inside of the chassis ...

Page 153: ...r cover Section 7 5 3 Remove all PCI and PCI Express expansion boards Section 7 9 4 Remove the fan shroud from the chassis Section 7 11 5 Remove the chassis fan from the chassis Section 7 18 6 Rotate the drive cage to its full upright position 7 Remove the security clip Section 7 4 1 and rotate the power supply to its full upright position 8 Disconnect all data and power cables from the system boa...

Page 154: ...l and Replacement Procedures Small Form Factor SFF Chassis 9 Disconnect the serial port from the system board 10 Disconnect the balance of the cables from the system board 11 Remove the long mounting screw that secures the system board tray to the chassis ...

Page 155: ... the system board is reinstalled in the chassis ÄCAUTION Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit After the alcohol has evaporated apply thermal grease to the top of the processor from the syringe supplied in the spares kit When reinstalling the system board it is important to secure the s...

Page 156: ...e optical drive and any other drive in the rotating drive cage Section 7 11 2 and Section 7 11 3 4 Remove the chassis fan Section 7 18 5 Remove the system board Section 7 19 6 Remove the five screws that secure the clutch base to the chassis 7 Hold the drive cage in the up position while removing the clutch base from the floor of the chassis ÄCAUTION When moving the clutch base be careful not to d...

Page 157: ...tor SFF Chassis 8 Hold the drive cage in the upright position while removing the two screws that secure the clutch finger assembly to the drive cage The clutch finger assembly doe not have to be removed to remove the power switch To replace the drive clutch components reverse the removal procedure ...

Page 158: ...assis fan Section 7 18 5 Remove the system board Section 7 19 6 Remove the drive ckutch base Section 7 20 7 Disconnect the power switch LED cable from the system board 8 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 9 If necessary the LED holders may also be removed by squeez...

Page 159: ...ed 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 Computer Setup F10 Utility 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...

Page 160: ...der 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 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 161: ...ttery pops up lift it out 1 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 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using...

Page 162: ...he clip 1 that holds the battery in place then remove the battery 2 2 Insert the new battery and position the clip back in place 3 Replace the computer access panel 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Page 163: ...e operating system 4 Remove any compact disc 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 the cooling fan is on even when th...

Page 164: ...hassis 8 If the PC is mounted in the accessory mounting stand loosen the thumbscrew that secures the computer to the stand 1 9 Slide the computer forward until it is disengaged from the hooks on the front of the tower stand then lift the computer off the stand 2 and lay the computer down on its rubber feet ...

Page 165: ...lling 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 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 ...

Page 166: ...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 167: ...ront panel assembly or the optical drive are removed Failure to remove the cable will result in destroying the cable 1 Prepare the computer for disassembly Section 8 1 2 Remove the access panel Section 8 3 3 Push the release latch on the side of the optical drive towards the outside of the computer 1 and slide the drive out of the computer through the front bezel 2 4 Disconnect the flat ribbon cab...

Page 168: ...elease latch to touch the optical drive carefully align the holes on the release latch with the pins on the side of the optical drive Make sure the release latch is oriented properly 3 Insert the pin at the front of the optical drive into the hole at the end of the release latch 1 and press firmly 4 Insert the second pin 2 and press the entire release latch firmly to fasten the latch securely to t...

Page 169: ...on the two green locking levers on the left and right sides of the chassis This will unlatch the front panel assembly and push it about 1 3 cm 1 2 inch out of the chassis The assembly will automatically stop at that distance 4 Disconnect the fan and speaker cables from the system board 5 Lift the left lever again 1 and pull the front panel assembly straight out of the chassis 2 To reinstall the fr...

Page 170: ...Remove the optical drive Section 8 4 4 Disconnect the fan and speaker cables from the system board 5 Remove the front panel assembly Section 8 5 6 Use a 0 Phillips screwdriver to remove the four screws that secure the front bezel to the front panel assembly 1 7 Release the catch 2 that keeps the top of the bezel in place 8 Pull the front bezel away from the assembly 3 To reinstall the front bezel ...

Page 171: ...ion 8 3 3 Remove the optical drive Section 8 4 4 Disconnect the fan and speaker cables from the system board 5 Remove the front panel assembly Section 8 5 6 Remove the four screws that secure the chassis fan to the housing 1 7 Remove the fan 2 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 ...

Page 172: ...sembly Section 8 1 2 Remove the computer access panel Section 8 3 3 Remove the optical drive Section 8 4 4 Disconnect the fan and speaker cables from the system board 5 Remove the front panel assembly Section 8 5 6 Remove the two screws 1 that secure the speaker to the front panel then remove the speaker 2 To install the speaker reverse the removal procedure ...

Page 173: ...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 174: ...ons Power Supply Connections System Board Connector Description Optical data power P21 SECONDARY Heatsink fan P8 CPU FAN Chassis fan P9 CH FAN Front LED Power button P5 PB LED black Front I O USB P24 FRNT USB yellow Front I O audio P23 FRNT AUD blue Speaker P6 SPKR Serial port A P54 COM A Parallel connector P126 PAR Hood sensor P125 HSENSE SATA hard drive P60 SATA0 dark blue Connector ID Descripti...

Page 175: ... 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 You many need to remove the expansion card cage if it has a full height card installed 3...

Page 176: ...different expansion card cages a PCI Express card cage that will support a full height full length PCI Express X16 card a standard PCI card cage that will support a full height 6 60 in long PCI card 1 Prepare the computer for disassembly Section 8 1 2 Remove the computer access panel Section 8 3 3 Rotate the bail handle on the expansion card cage 1 and lift the cage straight up 2 A PCI Express car...

Page 177: ...PCI expansion card lay the card cage on its edge and hold it firmly in place Grasp the card and carefully 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 cage 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...

Page 178: ...remove it from the cage Be sure not to scrape the card against the cage 8 Slide the bracket on the end of the expansion card down into the slot and press the card firmly into the socket When 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 9 Close the latch firmly to secure the card in pl...

Page 179: ... 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 the damaged locking lever off the expansion card cage 3 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 180: ...ter 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 Refer to Section 5 2 Electrostatic Discharge Information for more information about preventing electrostatic damage Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liqui...

Page 181: ...he center of the chassis 3 to remove it from the drive cage Follow proper cable management techniques when handling all cables Section 8 9 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 ÄCAUTION When installing the hard drive ensu...

Page 182: ... Remove the I O device assembly from the chassis to access the audio cable 9 Disconnect the audio cable from the system board and pull that cable through the tunnel opening in the chassis 10 Disconnect the remaining 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 ...

Page 183: ...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 8 Lay the heatsink on its top in a safe area to prevent the thermal grease from contaminating the work surface If resuing the existing heatsink go to step 1 If uisng a new heatsink go to step 3 1 If reusing the exist...

Page 184: ...oard 5 Remove the front panel assembly Section 8 5 6 Remove the heatsink Section 8 16 7 Rotate the processor locking lever to its full open position 1 8 Raise and rotate the microprocessor retainer to its fully open position 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 irreparabl...

Page 185: ...atsink 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 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...

Page 186: ...cable from the hard drive and the 6 pin power supply cable on the system board alongside the heatsink 5 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 6 Disconnect the power cable from the system board There are slots on the chassis that match with clip...

Page 187: ...ove the heatsink Section 8 16 10 Remove the power supply Section 8 18 11 Disconnect all cables connected to the system board noting their location for reinstallation 12 Remove the thumbscrew that secures the system board to the chassis 1 13 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 ÄCA...

Page 188: ...HP 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 Computer Setup F10 Utility Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general househo...

Page 189: ...eplacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 After the battery has been replaced reverse the disassembly procedure 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 190: ...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 3 After the battery has been replaced reverse the disassembly procedure 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special ...

Page 191: ...lds the battery in place then remove the battery 2 2 Insert the new battery and position the clip back in place 3 After the battery has been replaced reverse the disassembly procedure 4 Plug in the computer and turn on power to the computer 5 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Page 192: ...8 30 433612 001 Service Reference Guide dc7700 Removal and Replacement Procedures Ultra Slim Desktop USDT Chassis ...

Page 193: ...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 194: ...llision Negative AUI Differential Transmit 9 10 1 1 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 Parallel Interface Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Strobe Data Bit 0 Data Bit 1 7 8 9 Data Bit 5 Data Bit 6 Data Bit 7 13 14 15 Select A...

Page 195: ...est 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 Microphone Connector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_left 2 Ring Power_Right 3 Shield Ground 1 2 3 1 2 3 Headphone Connector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_Left 2 Ring Audio_Right 3 Shield Ground 1 2 3 Line In Audio Connector and Icon 1 8 miniphone Pi...

Page 196: ... 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 1 1 12 13 Not used DDC Serial Data Horizontal Sync 4 5 Not used Ground 9 10 5V fused Ground 14 15 Vertical Sync DDC Serial...

Page 197: ...A2 CS1FX CS3FX 1 1 12 13 14 DD3 DD12 DD2 DD13 25 26 27 28 DIOR Ground IORDY CSEL 39 40 DASP Ground CD ROM 50 Pin Connector Connector Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 Audio L ch Audio R ch Audio GND GND RESET 14 15 16 17 18 DD12 DD3 DD13 DD2 DD14 27 28 29 30 31 IORDY DMACK INTRQ IOCS16 DA1 40 41 42 43 44 5V 5V 5V GND GND 6 7 8 9 10 DD8 DD7 DD9 DD6 DD10 19 20 21 22 23 DD1 DD15 D...

Page 198: ...N 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 USDT SFF and ST models 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 1 1 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 24 12 13 1 4 Pin Power for CPU MT and CMT...

Page 199: ...gnal 1 GND 2 GND 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 P1 1 P15 V 3 3 V 5 Reserved V 12 P4 P8 P12 Ground V 5 Ground S Data P Power ...

Page 200: ... 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 PERp1 1 PERn1 1 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 ...

Page 201: ... 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 PETp1 1 PETn1 1 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 ...

Page 202: ... Data2 4 Shield T M D S Data4 13 14 15 16 T M D S Data3 5V Power Ground for 5V Hot Plug Detect 5 6 7 8 T M D S Data4 DDC Clock DDC Data No Connect 17 18 19 20 T M D S Data0 T M D S Data0 T M D S Data0 5 Shield T M D S Data5 9 10 11 12 T M D S Data1 T M D S Data1 T M D S Data1 3 Shield T M D S Data3 21 22 23 24 T M D S Data5 T M D S Data Shield T M D S Clock T M D S Clock ...

Page 203: ...be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be installed 2 The power cord set must have a minimum current capacity of 10A 7A Japan only and a nominal voltage rating of 125 or 250 volts AC as required by each country s power system 3 The diameter of the wire must be a minimum of 0 75 mm2 or 18AWG and the length of the cord m...

Page 204: ...pe HO5VV F 3 conductor 0 75mm2 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 SVT 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 ...

Page 205: ...ear CMOS 5 If the message disappears there may be a problem with the expansion card 6 Replace the system board 103 System Board Failure DMA or timers 1 Clear CMOS 2 Remove expansion boards 3 Replace the system board 1 10 Out of Memory Space for Option ROMs Recently added PCI expansion card contains an option ROM too large to download during POST 1 If a PCI expansion card was recently added remove ...

Page 206: ... Run Computer Setup F10 Setup or Windows utilities 2 Make sure memory module s are installed properly 3 If third party memory has been added test using HP only memory 4 Verify proper memory module type 201 Memory Error RAM failure 1 Run Computer Setup F10 Setup or Windows utilities 2 Ensure memory modules are installed correctly 3 Verify proper memory module type 4 Remove and replace the identifie...

Page 207: ...at none of the keys are depressed 3 Replace keyboard 4 Replace system board 404 Parallel Port Address Conflict Detected Both external and internal ports are assigned to parallel port X 1 Remove any parallel port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup 410 Audio Interrupt Conflict IRQ address conflicts with another device Enter Computer Setup and reset th...

Page 208: ...drive 5 Replace the system board 605 Diskette Drive Type Error Mismatch in drive type 1 Run Computer Setup F10 Setup 2 Disconnect any other diskette controller devices tape drives 3 Clear CMOS 610 External Storage Device Failure External tape drive not connected Reinstall tape drive or press F1 and allow system to reconfigure without the drive 61 1 Primary Floppy Port Address Assignment Conflict C...

Page 209: ...nternal serial ports are assigned to COM2 1 Remove any serial port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup or Windows utilities 1 155 Serial Port Address Conflict Detected Both external and internal serial ports are assigned to same IRQ 1 Remove any serial port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup or Windows...

Page 210: ...t be accessed while the system is configured for RAID mode Either remove the Drivelocked SATA device or disable the Drivelock feature To disable the Drivelock feature enter Computer Setup change Storage Storage Options SATA Emulation to IDE and select File Save Changes and Exit Reenter Computer Setup and select Security Drivelock For each listed Drivelock capable SATA device ensure Drivelock is Di...

Page 211: ...d reboot the computer 3 If the memory configuration was recently changed unplug the power cord restore the original memory configuration and reboot the computer 4 If the error persists replace the system board 2203 Setup error during MEBx execution MEBx selection or exit resulted in a setup failure 1 Reboot the computer 2 Unplug the power cord re seat the memory modules and reboot the computer 3 I...

Page 212: ...changes Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode enabled 1 Reconnect keyboard with computer turned off 2 Check connector for bent or missing pins 3 Ensure that none of the keys are depressed 4 Replace keyboard Parity Check 2 Parity RAM failure Run Computer Setup and diagnostic utilities System will not boot without fan CPU fan not installed or ...

Page 213: ... codes Recommended actions in the following table are listed in the order in which they should be performed No all diagnostic lights and audible codes are available on all models POST Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On None Computer on None Green Power LED flashes every two seconds None Computer in Suspend to RAM mode s...

Page 214: ...tte 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 functioning properly 3 Replace the power supply 4 Replace the system board Red Power LED flashes five ...

Page 215: ...lowed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved 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 fifth iteration but LEDs continue until problem is solved 8 Invalid ROM based on bad checksum 1 Reflash the ROM w...

Page 216: ...age setting depends on your region 2 Replace the processor 3 Replace the system board Red Power LED flashes ten times once every second followed by a two second pause Beeps stop after fifth iteration but LEDs continue until problem is solved 10 Bad option card 1 Check each option card by removing the card one at a time if multiple cards then power on the system to see if fault goes away 2 Once a b...

Page 217: ...han 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 5 V_aux light on the system board is turned on If it is turned on then replace th...

Page 218: ...C 14 433612 001 Service Reference Guide dc7700 POST Error Messages ...

Page 219: ...ngle 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 oper...

Page 220: ... be replaced Connecting the computer to a live AC outlet prolongs the life of the RTC battery 1 Reset the date and time under Control Panel Computer Setup can also be used 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 disab...

Page 221: ...is installed properly Hard drive is full Transfer data from the hard drive to create more space on the hard drive Low on memory Add more memory Hard drive fragmented Defragment hard drive Program previously accessed did not release reserved memory back to the system Restart the computer Virus resident of the hard drive Run virus protection program Too many applications running 1 Close unnecessary ...

Page 222: ...em unable to power on Press and hold the power button for less than 4 seconds If the hard drive LED turns green then 1 Check that the voltage selector located on the rear of the power supply on some models is set to the appropriate voltage Proper voltage setting depends on your region 2 Remove the expansion cards one at a time until the 5V_aux light on the system board turns on 3 Replace the syste...

Page 223: ...d the Power LED flashes Red two times once every second followed by a two second pause and the computer beeps 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 fan assembly is not properly attached to the processor 1 Ensure that the computer ...

Page 224: ...s on the region 2 Open the hood and ensure the 4 or 6 wire power supply cable is seated into the connector on the system board 3 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...

Page 225: ...he diskette 1 From Windows Explorer select the disk A drive 2 Right click the drive letter and select Format 3 Select the desired options and click Start to begin formatting the diskette Diskette is write protected Use another diskette or remove the write protection Writing to the wrong drive Check the drive letter in the path statement Not enough space is left on the diskette 1 Use another disket...

Page 226: ...played 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 diskette Diskette boot has been di...

Page 227: ...e connections The system may not have automatically recognized a newly installed device 1 See reconfiguration directions in the Solving Hardware Installation Problems section 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 prob...

Page 228: ...and enable the hard drive entry in the Storage Boot Order list Bootable hard drive is not attached as first in a multi hard drive configuration If attempting to boot from a hard drive ensure it is attached to system board connector labeled P60 SATA 0 Bootable hard drive s controller is not listed first in the Boot Order Run the Computer Setup utility and select Storage Boot Order and ensure the bo...

Page 229: ...not work in a digital camera after formatting it in Microsoft Windows XP By default Windows XP will format any media card with a capacity greater than 32MB with the FAT32 format Most digital cameras use the FAT FAT16 FAT12 format and can not operate with a FAT32 formatted card Either format the media card in the digital camera or select FAT file system to format the media card in a computer with W...

Page 230: ... available ports and then recognize whatever media is inserted in the reader After inserting a media card in the reader the computer attempts to boot from the media card The inserted media card has boot capability If you do not want to boot from the media card remove it during boot or do not select the option to boot from the inserted media card during the boot process Computer will not boot from ...

Page 231: ...tem is running in Boot Block Emergency Recovery Mode indicated by eight red blinks from the power LED and eight simultaneous beeps Reflash the system ROM with the latest BIOS image Fixed sync monitor will not sync at the resolution chosen Ensure that the monitor can accept the same horizontal scan rate as the resolution chosen Computer is in standby mode Press the power button to resume from stand...

Page 232: ...PCI graphics card is installed Blank screen and the power LED flashes Red five times once every second followed by a two second pause and the computer beeps five times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Pre video memory error 1 Reseat DIMMs Power on the system 2 Replace DIMMs one at a time to isolate the faulty module 3 Replac...

Page 233: ...connected Check that the graphics cable is securely connected to the graphics card and the monitor Blurry video or requested resolution cannot be set If the graphics controller was upgraded the correct video drivers may not be loaded Install the video drivers included in the upgrade kit Monitor is not capable of displaying requested resolution Change requested resolution Graphics card is bad Repla...

Page 234: ...or 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 ghosting or shad...

Page 235: ...mon in many media player applications In Windows XP 1 From the Control Panel select Sounds and Audio Devices 2 On the Audio tab select a device from the Sound Playback list 3 Click the Advanced button and select the Performance tab 4 Set the Hardware acceleration slider to None and the Sample rate conversion quality slider to Good and retest the audio 5 Set the Hardware acceleration slider to Full...

Page 236: ...dphones or external speakers if connected or disconnect headphones or external speakers Volume is muted 1 From the Control Panel program click Sound Speech and Audio Devices then click Sounds and Audio Devices 2 Click the Mute check box to remove the check mark from the box Computer is in standby mode Press the power button to resume from standby mode ÄWhen attempting to resume from standby mode d...

Page 237: ...MS DOS command DIR C printer port where printer port is the address of the printer being used If the printer works reload the 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...

Page 238: ...own the computer using the mouse and then restart the computer Keyboard needs repairs See the Worldwide Limited Warranty for terms and conditions Wireless device error 1 Check software if available for device status 2 Check replace device batteries 3 Reset receiver and keyboard Computer is in standby mode Press the power button to resume from standby mode ÄWhen attempting to resume from standby mo...

Page 239: ...need cleaning Remove the roller ball cover on the mouse and clean the internal components Mouse may need repair See the Worldwide Limited Warranty for terms and conditions Wireless device error 1 Check software if available for device status 2 Check replace device batteries 3 Reset receiver and mouse Computer is in standby mode Press the power button to resume from standby mode ÄWhen attempting to...

Page 240: ...re Installation Problems Problem Cause Solution A new device is not recognized as part of the system Device is not seated or connected properly Ensure that the device is properly and securely connected and that pins in the connector are not bent down Cable s of new external device are loose or power cables are unplugged Ensure that all cables are properly and securely connected and that pins in th...

Page 241: ...lace DIMMs one at a time to isolate the faulty module DIMM 1 must always be installed 3 Replace third party memory with HP memory 4 Replace the system board Power LED flashes Red six times once every second followed by a two second pause and the computer beeps six times Beeps continue for five iterations after which the LED flashes will continue until the problem is resolved Graphics card is not s...

Page 242: ...ller in the operating system via the Device Manager Incorrect network driver Check the network controller documentation for the correct driver or obtain the latest driver from the manufacturer s Web site Network status link light never flashes The network status light should flash when there is network activity No active network is detected Check cabling and network equipment for proper connection...

Page 243: ...rameters match the configuration of the network controller Make sure the correct network client and protocol is installed The network controller is not configured for this computer Select the Network icon in the Control Panel and configure the network controller Network controller stopped working when an expansion board was added to the computer Network controller interrupt is shared with an expan...

Page 244: ...fications Install a working industry standard NIC or change the boot sequence to boot from another source Cannot connect to network server when attempting Remote System Installation The network controller is not configured properly Verify Network Connectivity that a DHCP Server is present and that the Remote System Installation Server contains the NIC drivers for your NIC System setup utility repo...

Page 245: ...ry module is not installed in the XMM1 socket Ensure that a memory module is installed in the black XMM1 socket on the system board This socket must be populated with a memory module Memory module is not the correct type or speed grade for this system or the new memory module is not seated properly Replace module with the correct industry standard device for the computer On some models ECC and non...

Page 246: ...ce the system board Solving Memory Problems Continued Problem Cause Solution Solving Processor Problems Problem Cause Solution Poor performance is experienced Processor is hot 1 Make sure the airflow to the computer is not blocked 2 Make sure the fans are connected and working properly some fans only operate when needed 3 Make sure the processor heatsink is installed properly Power LED flashes Red...

Page 247: ... in Storage Boot Order Drive not found identified Cable could be loose Check cable connections The system may not have automatically recognized a newly installed device See reconfiguration directions in the Solving Hardware Installation Problems section 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 caus...

Page 248: ... The DVD ROM drive takes longer to start because it has to determine the type of media played such as audio or video Wait at least 30 seconds to let the DVD ROM drive determine the type of media being played If the disc still does not start read the other solutions listed for this topic CD or DVD disc is dirty Clean CD or DVD with a CD cleaning kit Windows does not detect the CD ROM or DVD ROM dri...

Page 249: ...t properly seated before power up Ensure the device is fully inserted into the USB port before applying power to the system System will not boot from USB Drive Key Boot order is not correct Run the Computer Setup utility and change boot sequence in Storage Boot Order Removable Media Boot is disabled in the Computer Setup utility Run the Computer Setup utility and enable booting to removable media ...

Page 250: ...he device to the front of the computer and restart the computer The device does not have power If the USB device requires AC power be sure one end is connected to the device and one end is connected to a live outlet The correct device driver is not installed 1 Install the correct driver for the device 2 You might need to reboot the computer The cable from the device to the computer does not work 1...

Page 251: ...nterrupted due to bad weather Try connecting to the Internet at a later time or contact your ISP If the cable DSL service is connected the cable LED light on the front of the cable DSL modem will be on The CAT5 UTP cable is disconnected Connect the CAT5 UTP cable between the cable modem and the computers s RJ 45 connector If the connection is good the PC LED light on the front of the cable DSL mod...

Page 252: ...our modem uses then click Properties 7 Under Device status verify that the modem is working properly 8 Under Device usage verify the modem is enabled 9 If there are further problems click the Troubleshoot button and follow the on screen instructions Windows 2000 1 Select Start Settings Control Panel 2 Double click System 3 Click the Hardware tab 4 In the Device Manager area click the Device Manage...

Page 253: ...d follow the on screen instructions Solving Internet Access Problems Continued Problem Cause Solution Solving Software Problems Problem Cause Solution Computer will not continue and no HP logo screen has appeared POST error has occurred Observe the beeps and LED lights on the front of the computer See Appendix C POST Error Messages to determine possible causes See the Restore Kit or the Worldwide ...

Page 254: ...D 36 433612 001 Service Reference Guide dc7700 Troubleshooting Without Diagnostics ...

Page 255: ...CMOS header RJ45 jack Stacked RJ45 Dual USB Quad stacked USB First IEEE 1394 connector J12 J13 J14 J20 29 J30 Second IEEE 1394 connector SPDIF input SPDIF output PCI slots PCI extender slot male J31 J35 J37 J38 J39 J40 PCI Express slots Primary SCSI connector Secondary SCSI connector Stacked parallel SCSI connector AGP slot J41 J50 J51 J52 J53 x16 PCI Express slot for graphics First parallel port ...

Page 256: ...urity card PCI slots on riser card PCI express slots on riser card Clear password header jumper USB front port choke 1st L2 L3 L4 L5 P1 USB rear port choke 1st USB rear port choke 2nd USB rear port choke 3rd USB front port choke 2nd P S connector 20 or 24 pin P2 P3 P4 P5 P6 Second P S connector as required Processor 12V header Secondary Processor 12V header Main Power HDD LED connector Speaker con...

Page 257: ...tor P67 P68 P69 P70 P71 Sixth Serial ATA SATA connector Seventh Serial ATA SATA connector Eighth Serial ATA SATA connector Primary CPU fan header for fansink Secondary CPU fan header for fansink P80 P81 P82 P83 P84 Primary Serial Attached SCSI SAS connector Second Serial Attached SCSI SAS connector Third Serial Attached SCSI SAS connector Fourth Serial Attached SCSI SAS connector Fifth Serial Atta...

Page 258: ...al port transceiver VRM controller USB front port power switch First USB rear port power switch Second USB rear port power switch U53 XBT XMM1 XMM2 XMM5 XU1 Third USB rear port power switch Battery retainer Memory slot DIMM1 or RIMM1 populated and tested Following memory slots Primary processor socket XU2 XU15 U15 XU19 U19 Y1 Y2 Secondary processor socket System ROM and Socket Socket XU15 ROM U15 ...

Page 259: ...on the DDR2 SDRAM DIMMs must be industry standard 240 pin unbuffered PC2 4300 533 MHz compliant PC2 5300 667 MHz compliant or PC2 6400 800 MHz compliant 1 8volt DDR2 SDRAM DIMMs The DDR2 SDRAM DIMMs must also support CAS latency 4 DDR2 533 MHz and DDR2 667 MHz and CAS latency 5 DDR2 667 MHz and DDR2 800 MHz contain the mandatory JEDEC SPD information In addition the computer supports 256Mbit 512Mb...

Page 260: ...l memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B In flex mode the channel populated with the least amount of memory describes the total amount of memory assigned to dual channel and the remainder is assigned to single channel For optimal speed the channels should be balanced so that the largest amount of memory is spread between the tw...

Page 261: ... 20 proper handling 5 8 cable connections CMT 6 10 SFF 7 11 USDT 8 12 cable lock 3 25 CMT 6 4 SFF 7 5 USDT 8 3 cable management CMT 6 9 SFF 7 10 USDT 8 11 cable pinouts SATA data 4 2 SATA power 4 2 cautions AC power 5 1 adding devices 1 1 cables 5 8 cooling fan 5 7 cover lock security 3 24 electrostatic discharge 5 3 FailSafe Key 3 25 keyboard cleaning 5 6 keyboard keys 5 6 operating system instal...

Page 262: ...ment 6 2 speaker removal and replacement 6 35 system board connections 6 10 system board removal and replacement 6 28 tamper proof screws 6 2 computer cleaning 5 6 computer cover SFF removal and replacement 7 7 computer pauses D 2 Computer Setup accessing 2 3 Advanced menu 2 11 File menu 2 4 overview 2 2 Security menu 2 8 Storage menu 2 5 configuration settings recovering 2 14 configuring power bu...

Page 263: ...ent 6 13 SFF removal and replacement 7 14 external 3 5 inch drive SFF removal and replacement 7 25 F FailSafe key 3 25 CMT 6 2 SFF 7 2 fan shroud SFF removal and replacement 7 30 fan power supply 5 7 Fault Notification and Recovery 3 26 fingerprint identification technology 3 26 flashing LEDs C 9 front bezel CMT removal and replacement 6 6 USDT removal and replacement 8 7 front I O device CMT remo...

Page 264: ...s 5 5 optical drive CMT removal and replacement 6 22 SFF removal and replacement 7 23 USDT removal and replacement 8 5 overheating prevention 5 5 P padlock CMT 6 4 SFF 7 6 USDT 8 3 parallel interface pin assignments A 2 partition hard drive 4 3 password changing 3 21 clearing 3 22 deleting 3 21 options 2 8 power on 2 8 3 20 security 3 19 setup 2 8 3 19 3 20 PCI expansion card cage USDT 8 14 PCI Ex...

Page 265: ...bezel 6 8 CMT expansion card 6 13 CMT expansion card guide 6 18 CMT expansion slot cover 6 13 6 16 CMT front bezel 6 6 CMT front I O device 6 26 CMT hard drive 6 20 CMT hard drive cable 6 20 CMT heatsink 6 33 CMT hood sensor 6 3 CMT memory 6 11 CMT optical drive 6 22 CMT padlock 6 4 CMT PCI Express card 6 14 CMT PCI retainer latch 6 16 CMT power supply 6 37 CMT power switch assembly 6 27 CMT proce...

Page 266: ...ment 7 45 bezel insert removal and replacement 7 8 cable connections 7 11 cable lock removal and replacement 7 5 cable management 7 10 chassis fan removal and replacement 7 38 chassis illustrated 5 2 computer cover removal and replacement 7 7 disassembly preparation 7 1 drive bezel inserts 7 9 drive bezel removal and replacement 7 8 drive positions 7 22 expansion card removal and replacement 7 14 ...

Page 267: ...erence designators E 1 SATA connectors 4 1 SFF removal and replacement 7 39 USDT removal and replacement 8 25 T tamper proof screws CMT 6 2 SFF 7 2 tool 5 7 temperature control 5 5 thermal sensor 3 26 tools servicing 5 7 Torx T 15 screwdriver 5 7 troubleshooting D 1 to D 35 U Ultra Slim Desktop See USDT unlocking Smart Cover Lock 3 25 USB pin assignments A 3 USDT access panel removal and replaceme...

Page 268: ...P OpenView Client Configuration Manager 3 6 HP OpenView Management Suite 3 6 HP ProtectTools Security Manager 3 5 HPQFlash 3 10 Proactive Change Notification PCN 3 8 Remote ROM BIOS Flash 3 9 replicating setup 3 12 replicating setup BIOS utility 3 12 Restore Plus CD 1 2 ROM BIOS Flash 3 9 Subscriber s Choice 3 9 support software 3 16 support software CD subscription 1 1 wrench tamper resistant CMT...

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