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HP Compaq d300 Series, Reference Manual

The HP Compaq d300 Series Reference Manual is a comprehensive user guide designed to assist you in understanding and operating your device effortlessly. Easily download this manual for free from manualshive.com, offering detailed instructions and essential information to maximize your experience with the product.

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Service Reference Guide, d300, dx6050

319865-008

6–31

Removal and Replacement Procedures— Microtower (µT) Chassis

6.16.2 Type 2 Battery Holder

1. To release the battery from its holder, squeeze the metal clamp that extends above one edge 

of the battery 

1

. When the battery pops up, lift it out.

2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip 

2

 

with the positive side up. Push the other edge down until the clamp snaps over the other edge 
of the battery.

✎

After the battery has been replaced, use the following steps to complete this procedure.

3. Replace the computer cover or access panel (

Section 6.4, “Access Panel”

).

4. Plug in the computer and turn on power to the computer.

Reset the date and time, your passwords, and any special system setups, using Computer Setup. 
Refer to the Computer Setup (F10) Utility Guide.

Summary of Contents for Compaq d300 Series

Page 1: ... provides 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 319865 008 ...

Page 2: ......

Page 3: ...Service Reference Guide HP Business Desktop d300 and dx6050 Series 8th Edition Document Part Number 319865 008 May 2004 ...

Page 4: ...ould be construed 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 thi...

Page 5: ...s for Windows 2 13 2 3 3 Using Categories in Diagnostics for Windows 2 14 2 3 4 Running Diagnostic Tests in Diagnostics for Windows 2 16 2 4 Configuration Record 2 17 2 4 1 Installing Configuration Record 2 17 2 4 2 Running Configuration Record 2 17 2 5 Remote Diagnostics Enabling Agent 2 18 2 5 1 Installing or Upgrading Remote Diagnostics Enabling Agent 2 18 2 5 2 Running the Remote Diagnostics E...

Page 6: ... System 3 20 3 6 2 Surge Tolerant Power Supply 3 20 3 6 3 Thermal Sensor 3 20 4 Serial and Parallel ATA Drive Guidelines and Features 4 1 PATA and SATA Device Information 4 1 4 2 ATA Cables 4 1 4 2 1 SATA Data Cable 4 1 4 2 2 SATA Power Cable 4 2 4 2 3 PATA Data Cable 4 2 4 2 4 PATA Power Cable 4 2 4 2 5 PATA Cable Layout 4 3 4 3 PATA Drive Installation Guidelines 4 4 4 3 1 PATA Device Classes 4 4...

Page 7: ...s Microtower µT Chassis 6 1 Preparation for Disassembly 6 1 6 2 Unlocking the Smart Cover Lock 6 2 6 3 External Security Devices 6 3 6 3 1 Installing a Cable Lock 6 3 6 3 2 Installing a Padlock 6 3 6 4 Access Panel 6 4 6 5 Front Bezel 6 5 6 6 Front Drive Bezels 6 7 6 6 1 5 25 Drive Bezel Blank 6 7 6 6 2 Diskette Drive Bezel 6 8 6 6 3 3 5 Drive Bezel Blank 6 8 6 7 Memory Modules 6 9 6 8 Expansion C...

Page 8: ...ive 7 20 7 10 5Primary Hard Drive 7 22 7 11Front I O Devices 7 24 7 12Power Switch Assembly 7 25 7 13System Board 7 26 7 14Chassis Fan 7 27 7 15Battery 7 28 7 15 1Type 1 Battery Holder 7 29 7 15 2Type 2 Battery Holder 7 30 7 16Processor and Heatsink Type 1 7 31 7 17Processor and Heatsink Type 2 7 32 7 18Speaker 7 34 7 19Power Supply 7 35 8 Removal and Replacement Procedures Desktop DT Chassis 8 1 ...

Page 9: ...tem Board 8 26 8 14Battery 8 27 8 14 1Type 1 Battery Holder 8 28 8 14 2Type 2 Battery Holder 8 29 8 15Processor and Heatsink 8 30 8 15 1Type 1 8 30 8 15 2Type 2 8 31 8 15 3Type 3 8 32 8 16Speaker 8 33 8 17Chassis Fan 8 34 8 18Power Supply 8 35 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory F System Board and Riser Boar...

Page 10: ...viii 319865 008 Service Reference Guide d300 dx6050 Contents ...

Page 11: ...screen to complete the installation During this process do not turn off your computer unless you are directed to do so 1 0 1 Installing or Upgrading Device Drivers To install hardware devices such as a printer a display adapter or network adapter after the operating system installation is completed the operating system needs access to the appropriate software drivers for the devices The I386 direc...

Page 12: ... Professional operating system is preinstalled on the computer and will be configured automatically the first time the computer is turned on The following HP software will also be installed at that time on selected models Computer Setup Utilities and diagnostic features HP Support Software including device drivers Configuration Record Online Safety Comfort Guide HP Intelligent Manageability Enhanc...

Page 13: ...ords 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 Memory modules Diskette d...

Page 14: ...suppresses most POST messages such as memory count product name and other non error text messages If a POST error occurs the error is displayed 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 prop...

Page 15: ... see a Keyboard Error message disregard it 3 Select your language from the list and press the Enter key 4 A choice of four headings appears in the Computer Setup Utilities menu File Storage Security 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 Utilitie...

Page 16: ... includes clearing any established passwords Ignore Changes and Exit Exits Computer Setup without applying or saving any changes Save Changes and Exit Saves changes to system configuration and exits Computer Setup Storage Device Configuration Lists all installed BIOS controlled storage devices SCSI storage drives will not be listed in Computer F10 Setup When a device is selected detailed informati...

Page 17: ... be inaccessible Translation Parameters IDE disks only 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 ...

Page 18: ...is the default option Up to 4 PATA and 2 SATA devices may be accessed in this mode The SATA and PATA controllers appear as two separate IDE controllers Use this option with Win 2K and Win XP SATA 0 is seen as SATA Primary Device 0 SATA 1 if present is seen as SATA Secondary Device 0 Replace Primary IDE Controller is the other option Up to 2 PATA and 2 SATA devices may be accessed in this mode The ...

Page 19: ...make changes to certain plug and play settings under Windows See the Troubleshooting Guide for more information Power On Password Allows you to set and enable power on password See the Troubleshooting Guide for more information Password Options This selection will appear only if a power on password is set Allows you to specify whether the password is required for warm boot CTRL ALT DEL See the Des...

Page 20: ...ing for example English or German for System ID entry Master Boot Record Security Allows you to enable or disable Master Boot Record MBR Security When enabled the BIOS rejects all requests to write to the MBR on the current bootable disk Each time the computer is powered on or rebooted the BIOS compares the MBR of the bootable disk to the previously saved MBR If changes are detected you are given ...

Page 21: ...ied the MBR may cause the data on the disk to become inaccessible Only restore a previously saved MBR if you are confident that the current bootable disk s MBR has been corrupted or infected with a virus Device Security Enables disables serial ports A and B parallel port front USB ports all USB ports system audio network controllers some models Multibay devices some models and SCSI controllers som...

Page 22: ...ork Service Boot during POST Disabling this feature prevents the text 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 Fan idle mode allows you to set the idle speed to 1 default 2 3 or 4 fastest Higher speeds will provid...

Page 23: ...antage is that a popular memory manager HIMEM SYS does not work properly when USB buffers are at top of memory AND the system has 64 KB or less of RAM Hot Pluggable MultiBay Floppy enable disable Enabling this feature allows you to hot plug a MultiBay floppy into a system running Windows 2000 or XP BIOS Wakeup Allows you to set the computer to turn on automatically at a time you specify Onboard De...

Page 24: ...to the embedded graphics frame buffer The AUTO setting attempts to optimize the frame buffer size depending on the amount of total system memory AGP Aperture size Allows you to specify the amount of system memory reserved for use by your graphics controller Monitor Tracking enable disable Allows ROM to save monitor asset information Spread Spectrum enable disable allows system clocks to run with a...

Page 25: ...computer are recognized by the system and functioning properly Running tests is optional but recommended after installing or connecting a new device Third party devices not supported by HP may not be detected Save print or display the information generated by the utility 2 3 1 Detecting Diagnostics for Windows Some computers ship with the Diagnostics for Windows preloaded but not preinstalled To d...

Page 26: ...dows To use categories 1 Click Start HP Information Center Diagnostics for Windows You can also select the Diagnostics for Windows icon located in the Control Panel The screen displays the overview of the computer hardware and software In Windows 2000 Professional select Start Settings Control Panel then select Diagnostics for Windows In Windows XP Home and Windows XP Professional select Start Con...

Page 27: ...and Memory Map Health Status of system temperature and hard drives Miscellaneous CMOS DMI BIOS System Product Name and Serial Number Navigation Previous Category F5 Next Category F6 Level Less F7 More F8 information on the screen Tab Overview Displays general information about the computer This window is displayed when first starting the utility The left side of the window shows hardware informati...

Page 28: ...to test a subsystem will be indicated by an error message under the subsystem name in the Test window or by shaded boxes that cannot be checked 4 Select Interactive Mode or Unattended Mode In Interactive Mode the diagnostic software will prompt you for input during tests that require it Some tests require interaction and will display errors or halt testing if selected in conjunction with Unattende...

Page 29: ...zing the computer availability The information obtained by the utility is useful in troubleshooting system problems and streamlines the service process by enabling quick and easy identification of system configurations The utility displays it findings in a Now log file If the original Base log file is present in the cpqdiags directory the Base log file is displayed next to the Now log file in a sp...

Page 30: ...e Diagnostics Enabling Agent only works if Diagnostics for Windows is also installed The Remote Diagnostics Enabling Agent is pre loaded on some computers and is available through a SoftPaq at http www hp com under Support and Drivers 2 5 1 Installing or Upgrading Remote Diagnostics Enabling Agent 1 Visit http www hp com support files and click on the applicable product 2 Locate the appropriate so...

Page 31: ... 19 Setup Utilities and Diagnostics Features 2 7 Restoring the Software The Windows operating system and software can be restored to its original state by using the Restore CD See the Restore CD for complete instructions on using this feature ...

Page 32: ...2 20 319865 007 Service Reference Guide d300 Setup Utilities and Diagnostics Features ...

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

Page 34: ... and workstations Altiris Altiris PC Transplant Pro HP Client Manager Software an Altiris solution System Software Manager HP Proactive Notification and ActiveUpdate 3 3 1 HP Client Manager Software HP Client Manager Software HP CMS tightly integrates HP Intelligent Manageability technology within Altiris to provide superior hardware management capabilities for HP access devices that include Detai...

Page 35: ...ole For more information visit http www hp com go easydeploy 3 3 3 System Software Manager System Software Manager SSM lets you update system level software on multiple systems simultaneously When executed on a PC client system SSM detects both hardware and software versions then updates the appropriate software from a central repository also known as a file store Driver versions that are supporte...

Page 36: ... support files ÄCAUTION For maximum ROM protection be sure to establish a setup password The setup password prevents unauthorized ROM upgrades System Software Manager allows the system administrator to set the setup password on one or more PCs simultaneously For more information visit http www hp com go ssm 3 4 1 Remote ROM Flash Remote ROM Flash allows the system administrator to safely upgrade t...

Page 37: ...aq diskette into the diskette drive 3 Turn on power to the system 4 If no ROMPaq diskette is found you will be prompted to insert one and restart the computer 5 If a setup password has been established the Caps Lock light will turn on and you will be prompted to enter the password 6 Enter the setup password 7 If the system successfully starts from the diskette and successfully reprograms the ROM t...

Page 38: ...ompletely turn off power but instead causes the computer to enter a low power standby This allows you to quickly power down without closing applications and to quickly return to the same operational state without any data loss To change the power button s configuration complete the following steps 1 In Windows 2000 left click on the Start Button then select Settings Control Panel Power Options In ...

Page 39: ...ngs for the monitor To access Display Properties right click on the Windows Desktop then choose Properties 3 4 7 World Wide Web Site When making the transition to new or revised operating systems it is important to implement the support software designed for that operating system If you plan to run a version of Microsoft Windows that is different from the version included with your computer you mu...

Page 40: ... your HP computer Locally using the Computer Setup Utilities See the Computer Setup F10 Utility Guide included with the computer for additional information and instructions on using the Computer Setup Utilities Remotely using HP Client Manager or System Software Manager This software enables the secure consistent deployment and control of security settings from a simple command line utility The fo...

Page 41: ...rity May prevent unintentional or malicious changes to the Master Boot Record of the current bootable disk and provides a means of recovering the last known good MBR From the Computer Setup Utilities F10 menu Memory Change Alerts Detects when memory modules have been added moved or removed notifies user and system administrator For information on enabling Memory Change Alerts refer to the online I...

Page 42: ...urity May prevent unintentional or malicious changes to the Master Boot Record of the current bootable disk and provides a means of recovering the last known good MBR From the Computer Setup Utilities F10 menu Memory Change Alerts Detects when memory modules have been added moved or removed notifies user and system administrator For information on enabling Memory Change Alerts refer to the online ...

Page 43: ... soon as the computer is turned on press and hold the F10 key until you enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must restart the computer and press and hold the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error message disregard it 3 Select Security then sele...

Page 44: ...eps 1 Turn on or restart the computer If you are in Windows click Start Shut Down Restart 2 When the key icon appears on the monitor type your 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...

Page 45: ...e next time you turn on the computer Refer to the National Keyboard Delimiter Characters section in this chapter 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 1 Turn on or restart the computer If you are in Windows click Start Shut Down Restart ...

Page 46: ...er to balance this level of security with the practical need to accommodate a forgotten password the HP implementation of DriveLock employs a two password security scheme One password is intended to be set and used by a system administrator while the other is typically set and used by the end user There is no back door that can be used to unlock the drive if both passwords are lost Therefore Drive...

Page 47: ...s for use in some computers The system administrator would be responsible for configuring the MultiBay hard drive which would involve among other things setting the DriveLock master password In the event that the user forgets the user password or the equipment is passed on to another employee the master password can always be used to reset the user password and regain access to the hard drive HP r...

Page 48: ...t Cover and follow the instructions on the screen 4 Before exiting click File Save Changes and Exit Smart Cover Lock The Smart Cover Lock is a software controllable cover lock featured on select HP computers This lock prevents unauthorized access to the internal components Computers ship with the Smart Cover Lock in the unlocked position ÄCAUTION For maximum cover lock security be sure to establis...

Page 49: ...is turned on press and hold the F10 key until you enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must restart the computer and press and hold the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error message disregard it 3 Select Security Smart Cover Unlocked 4 Before e...

Page 50: ...y Save Master Boot Record 5 Before exiting click File Save Changes and Exit When MBR Security is enabled the BIOS prevents any changes being made to the MBR of the current bootable disk while in MS DOS or Windows Safe Mode Most operating systems control access to the MBR of the current bootable disk the BIOS cannot prevent changes that may occur while the operating system is running Each time the ...

Page 51: ...re in Windows click Start Shut Down Restart 2 As soon as the computer is turned on press and hold the F10 key until you enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate time you must restart the computer and press and hold the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error ...

Page 52: ...ed 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 time DPS is run test results are written to the hard drive Your service provider can use this information to help diagnose conditions that caused you to run the DPS sof...

Page 53: ...s in data cable 40 80 7 7 Number of pins in power cable 4 15 Maximum data cable length 18 in 45 7 cm 39 37 in 100 cm Data interface voltage differential 5 V 600 mV Drive motor voltages 5 V 12 V 3 3 V 12 V Jumpers for configuring drive Required N A Data transfer rate up to 100 MB s 150 MB s Pin Number Usage Device Plug Host Plug P1 Ground Ground Ground P2 A Transmit data Receive data P3 A Transmit ...

Page 54: ...round P5 Ground P13 V 12 12 V power P6 Ground P14 V12 12 V power P7 V5 5 V power P15 V12 12 V power P8 V5 5 V power Pin Signal Pin Signal Pin Signal 1 2 3 4 5 Reset Ground DD7 DD8 DD6 15 16 17 18 19 DD1 DD14 DD0 DD15 Ground 29 30 31 32 33 DMAK Ground INTRQ IOCS16 DA1 6 7 8 9 10 DD9 DD5 DD10 DD4 DD11 20 21 22 23 24 Key DMARQ Ground DIOW Ground 34 35 36 37 38 PDIAG cable detect DA0 DA2 CS1FX CS3FX 1...

Page 55: ...y standard cable is applicable only if the drive s jumper is in the cable select position Single Drive Cable Two Drive Cable On a two drive cable the Drive Device 0 connector is always the farthest one from the system board connector and the Drive Device 1 connector is always the closest to the system board connector Some cables may be labeled Drive 0 instead of Device 0 and Drive 1 instead of Dev...

Page 56: ...onnected to a single channel one will be designated by its attachment to the cable as the primary Drive Device 0 and the other as secondary Drive Device 1 For optimal performance of a computer system all drives need to be attached to the ATA channel in a specified sequence This sequence is determined by the device class of the drives and by specific attach sequence rules 4 3 1 PATA Device Classes ...

Page 57: ...d drives and removable media drives on separate channels to maximize compatibility Keeping the hard drive and the writable optical drive on separate channels to maximize optical drive reliability General Attach Sequence Rule Sequence Description 1 The lowest class drive bootable hard drive recommended 2 If only two drives the last drive goes here otherwise the lowest class of the remaining drives ...

Page 58: ... for obtaining optimum system performance when setting up a computer with multiple drives Use the General Attach Sequence Rule to determine the best drive installation sequence Two examples of how to use the worksheet are Three device installation Four device installation Attach Sequence Worksheet Device Name Device Class Position Number Channel Name Device Number ...

Page 59: ...ction 4 3 1 PATA Device Classes the devices may be identified as Ultra ATA 100 hard drive Class 1 DVD drive Class 2 CD ROM drive Class 3 Cable lengths may restrict drive usage Attach Sequence Worksheet Three Device Installation Sample Device Name Device Class Position Number Channel Name Device Number Ultra ATA 100 hard drive 1 1 Primary 0 DVD drive 2 2 Secondary 0 CD ROM drive 3 3 Secondary 1 1 2...

Page 60: ...llowing the General Attach Sequence Rule Cable lengths may restrict drive usage 4 3 4 PATA Additional Drive Application Notes When replacing a hard drive the replacement should be of the same type Ultra ATA 33 66 or 100 as that being removed to retain the same level of performance When Ultra ATA and SCSI hard drives are mixed in the same system the Ultra ATA drive will become the boot drive unless...

Page 61: ...cessed by the operating system A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space Because of the differences in the way that drive sizes are calculated the size reported by the operating system may differ from that marked on the hard drive or listed in the computer specification Drive size calculations by drive manufact...

Page 62: ... Channel Command block 170h 177h Control block 376h IRQ 15 4 6 2 Native Mode The native mode is used to access devices attached to add in cards and is not supported by many legacy operating systems Addresses are assigned by PCI Plug n Play BIOS and the IRQ is shared with multiple controllers Base Address Registers for the Command and Control Block are found in the PCI Configuration Space Offset 10...

Page 63: ...Add as a separate channel Used with Windows 2000 and XP A Integrated SATA B Integrated IDE A1 SATA 0 A2 SATA 1 B1 IDE Primary Device 0 B2 IDE Primary Device 1 B3 IDE Secondary Device 0 B4 IDE Secondary Device 1 Replace primary IDE channel Used with Windows 9x NT and Linux A Integrated IDE B Integrated SATA A1 IDE Secondary Device 0 A2 IDE Secondary Device 1 B1 SATA 0 B2 SATA 1 Replace primary IDE ...

Page 64: ...4 12 319865 008 Service Reference Guide d300 dx6050 Serial and Parallel ATA Drive Guidelines and Features ...

Page 65: ...res 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 Not all models are available in all chassis styles 5 1 Chassis Designations 5 1 1 Mi...

Page 66: ...5 2 319865 008 Service Reference Guide d300 dx6050 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 2 Slim Tower ST 5 1 3 Desktop DT ...

Page 67: ... Circuitry 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 electrostati...

Page 68: ...rk 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 materia...

Page 69: ...ug the computer before cleaning the keyboard mouse or air vents 5 Disconnect the keyboard before cleaning it 6 Wear safety glasses equipped with side shields when cleaning the keyboard 5 3 2 Cleaning the Computer Case Follow all safety precautions in Section 5 3 1 General Cleaning Safety Precautions before cleaning the computer To clean the computer case follow the procedures described below To re...

Page 70: ...c supply outlets Ä CAUTION Never remove a wide leveled key like the space bar from the keyboard If these keys are improperly removed or installed the keyboard may not function properly Cleaning under a key may be done with a swab moistened with isopropyl alcohol and squeezed out Be careful not to wipe away lubricants necessary for proper key functions Use tweezers to remove any fibers or dirt in c...

Page 71: ... need the following Torx T 15 screwdriver Compaq screwdriver with bits PN 161946 001 Torx T 15 screwdriver with small diameter shank for certain front bezel removal Flat bladed screwdriver may sometimes be used in place of the Torx screwdriver Phillips 2 screwdriver Diagnostics software Compaq tamper resistant T 15 wrench Smart Cover FailSafe Key PN 166527 001 or Compaq tamper resistant bits Smart...

Page 72: ... in their protective packaging until they are actually mounted in the CPU Avoid dropping drives from any height onto any surface If you are inserting or removing a hard drive turn off the computer Do not remove a hard drive while the computer is on or in standby mode Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For...

Page 73: ...re applications 3 Exit the operating system 4 Remove any diskette compact disc or MultiBay device from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outl...

Page 74: ...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...

Page 75: ...ng 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 6 3 2 Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object I ...

Page 76: ...e that the computer is turned off and that the power cord is disconnected from the electrical outlet 2 Loosen the captive thumbscrew 1 that secures the access panel to the computer chassis 3 Slide the access panel 2 back about 1 inch 2 5 cm then lift it off the unit You may want to lay the computer on its side to install internal parts Be sure the side with the access panel and pull grip is facing...

Page 77: ...hassis Then press in on the upper tab on the left side of the bezel 2 so that it releases from the chassis The bezel will rotate out slightly from left to right ÄCAUTION Do not over rotate or try to pull the bezel off at this point otherwise you may break the remaining hooks on the inside of the bezel 4 Press down on the upper right corner of the bezel to release the hook that secures the top of t...

Page 78: ... bezel 1 Position the chassis in the upright position 2 Insert the two hooks on the right side of the bezel 1 into the rectangular holes on the chassis then rotate the bezel into place 2 so that the three tabs on the left side of the bezel and the single tab on the upper right corner of the bezel snap into the slots on the chassis ...

Page 79: ...r Disassembly 2 Remove the access panel Section 6 4 Access Panel 3 Remove the front bezel Section 6 5 Front Bezel 6 6 1 5 25 Drive Bezel Blank Press the two retaining tabs on the inside of the large bezel 1 towards the outside of the bezel to release the bezel blank At the same time pull the bezel blank in 2 to remove it from the front bezel To install a bezel blank reverse the removal procedure ...

Page 80: ...ards the center of the drive bezel and push the bezel out to remove it from the front bezel To install a bezel or a bezel blank reverse the removal procedure 6 6 3 3 5 Drive Bezel Blank Press the two upper 1 or the two lower 2 tabs for the 3 5 drive bezel towards the center of the 3 5 drive bezel and push the bezel blank out to remove it from the front bezel To install a bezel blank reverse the re...

Page 81: ...r for disassembly Section 6 1 Preparation for Disassembly 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel If you have locked the Smart Cover Lock use Computer Setup to unlock the lock ÅWARNING To reduce risk of personal injury from hot surfaces allow the internal system components to cool before to...

Page 82: ... disassembly Section 6 1 Preparation for Disassembly 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel 3 On the rear of the computer slide the slot cover lock up to access the expansion slot covers For instructions on PCI expansion cards see Section 6 8 2 PCI Expansion Card For instructions on AGP ex...

Page 83: ...ntil the connectors pull free from the socket 3 Pull the expansion card straight up from the socket 1 then away from the inside of the chassis 2 to maneuver the card out of the computer ÄCAUTION Be sure not to scrape the card against the other components ÄCAUTION After removing an expansion card you must replace it with a new card or cover the open slot for example with a metal slot cover or a pie...

Page 84: ...of the chassis so that the bracket on the card is aligned with the open slot on the rear of the chassis 1 7 Press the card straight down into the expansion slot on the system board 2 Press firmly on the card so that the whole connector seats properly in the expansion card slot 8 Slide the slot cover lock down toward the expansion card brackets and slot covers to secure them in place Installing the...

Page 85: ...sis to maneuver the card out of the computer ÄCAUTION Be sure not to scrape the card against the other components ÄCAUTION After removing an expansion card you must replace it with a new card or cover the open slot for example with a metal slot cover or a piece of cardboard taped in place for proper cooling of internal components during operation 5 Store the old card in the anti static packaging t...

Page 86: ...de d300 dx6050 Removal and Replacement Procedures Microtower µT Chassis 9 Slide the slot cover lock down toward the expansion card brackets and slot covers to secure them in place Installing the access panel will secure the slot cover lock ...

Page 87: ... ÄCAUTION Make sure personal 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 CD to load the Compaq factory installed files 6 9 1 Drive Positions Drive Positions Item Description Item Description 1 Optical drive 4 Bay for optional 3 5 d...

Page 88: ...on for Disassembly 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel 3 Remove the front bezel Section 6 5 Front Bezel 4 Disconnect the power and data cables from the back of the drive as shown in the following illustrations Disconnecting Optical Drive Cables Disconnecting Diskette Drive Cables ...

Page 89: ... Releasing the Drives 5 A latch drive bracket with release tabs secures the drives in the drive bay Lift the release tab on the latch drive bracket 1 for the drive you want to remove then slide the drive from its drive bay 2 6 Remove the four guide screws two on each side from the old drive You will need these screws to install a new drive ...

Page 90: ...e 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 Install four guide screws two on each side into the new drive The screws help guide the drive into its proper position in the bay If this is a new installation guide screws are provided on the f...

Page 91: ...µT Chassis 3 Reconnect the power and data cables to the drive as shown in the following illustrations Refer to Chapter 4 Section 4 3 PATA Drive Installation Guidelines for information on attaching the cabling to get optimum performance Connecting Optical Drive Cables Connecting Diskette Drive Cables ...

Page 92: ...ction 6 4 Access Panel 6 Turn on the computer If you replaced the primary hard drive the restore CD may be used to restore the operating system software drivers and or any software applications that were preinstalled on the computer Follow the instructions in the guide included with the restore CD When the restore process has completed reinstall any personal files that were backed up before replac...

Page 93: ...bly 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel 3 Disconnect the power cable that connects the chassis fan to the system board 1 4 Remove the four screws from the rear of the chassis 2 that secure the fan 5 Remove the fan from the chassis 3 To install the chassis fan reverse the removal procedu...

Page 94: ...cess panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel 3 Disconnect three attaching cables from the system board the power switch LED cable the front USB cable and the front audio cable 4 Remove the two screws 1 that secure the housing to the chassis and then pull the housing 2 away from the chassis To install the housi...

Page 95: ...computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel 3 Remove the front I O panel assembly Section 6 11 Front I O Panel Housing Assembly 4 Remove the two screws 1 that hold the USB and audio port assembly in place 5 Remove the I O device assembly from the I O panel 2 by pushing it out of the housing To install the I O devices reverse the remov...

Page 96: ...panel assembly Section 6 11 Front I O Panel Housing Assembly 4 Squeeze the switch holder retaining clips together 1 and push the switch assembly out of the front I O panel housing 5 From the inside of the I O panel assembly spread the clips 2 that secure the LEDs in place and then push the LEDs out of the retainers from the front side 6 If necessary compress the retaining clips on the LED holders ...

Page 97: ...s will penetrate the slot openings and latch into place If one clip will not easily engage it may be necessary to use the end of a ball point pen or another thin stiff object to compress the clip leg while inserting it into the clip slot 10 Push the LEDs into the their retainers The power LED having the blue and black leads should be to the right when viewed from the front of the computer 11 Recon...

Page 98: ...k is loose enough to be gently twisted it is safe to remove it from the processor at this time Proceed to step 10 If the heatsink cannot be loosened continue with step 7 to warm up the heatsink ÄCAUTION Always twist when trying to remove a heatsink Never pull the heatsink straight out 5 Turn on the computer and repeatedly press the F10 key to enter the Computer Setup utility It takes about 4 8 min...

Page 99: ...ssor and lift it 2 from the processor 10 Raise the handle on the ZIF socket 3 to the full open position 11 Grasp the processor by the edges and pull straight up 4 to remove it from the socket To install the processor and heatsink 1 Insert the processor into the ZIF socket 2 Press down on the processor while rotating and locking the ZIF socket handle in place 3 Refresh the thermal grease between th...

Page 100: ...emove all PCI expansion boards Section 6 8 2 PCI Expansion Card 4 Remove the AGP graphics cards Section 6 8 3 AGP Card 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 ...

Page 101: ...TION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recycling or pro...

Page 102: ...placement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or access panel Section 6 4 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 103: ... one edge of the replacement battery under the holder s lip 2 with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery After the battery has been replaced use the following steps to complete this procedure 3 Replace the computer cover or access panel Section 6 4 Access Panel 4 Plug in the computer and turn on power to the computer Reset the date a...

Page 104: ...edge of the battery 2 When the battery pops up lift it out 2 3 To insert the new battery push it down into the holder with the positive side to the left as shown in the drawing above 4 Replace the computer access panel Section 6 4 Access Panel 5 Plug in the computer and turn on power 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer S...

Page 105: ...he access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel 3 Move remove any components necessary to gain access to the speaker 4 Disconnect the speaker wire from the system board connector 5 Remove the four screws 1 that secure the speaker to the chassis 6 Remove the speaker 2 To install the speaker reverse the remova...

Page 106: ...C outlet before opening the computer 1 Prepare the computer for disassembly Section 6 1 Preparation for Disassembly 2 Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 4 Access Panel 3 Disconnect all power cables from the mass storage devices and from the system board 4 Remove the screws that connect the power supply...

Page 107: ...Exit the operating system 4 Remove any diskette compact disc or MultiBay device from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems...

Page 108: ...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...

Page 109: ... Chassis To reattach the Smart Cover Lock position the lock with the printed circuit board oriented as shown below If the locking pin protrudes above the top lip of the chassis press it down so that the access panel will clear it when installed Secure the Smart Cover Lock with two tamper proof screws ...

Page 110: ... lift the computer from the computer stand 2 and lay it on its side 3 3 Remove the computer access panel Section 7 5 Computer Access Panel 4 Remove the front bezel Section 7 6 Front Bezel 5 Raise the drive cage to its upright position ÄCAUTION If a MultiBay drive has been installed raise the drive cage only far enough to access the hood sensor to avoid damaging the drive 6 Disconnect the hood sens...

Page 111: ...ce Guide d300 dx6050 319865 008 7 5 Removal and Replacement Procedures Slim Tower ST Chassis 7 Slide the hood sensor switch towards the inside of the computer 1 To install the hood sensor reverse the removal procedure ...

Page 112: ...e 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 As shown there are two acceptable methods for using the cable lock While both methods work for added security HP recommends that you use the method shown on the left where the cable lock penetrates both the access panel and the chassis ...

Page 113: ...7 7 Removal and Replacement Procedures Slim Tower ST Chassis 7 4 2 Padlock A padlock may be used by itself to secure the access panel to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object I ...

Page 114: ...moving the computer access panel ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet 2 Pull up and hold open the latch on the top of the computer 1 3 Slide the computer access panel 2 back about 0 5inch 1 3 cm then lift it off the unit When installing the access panel press down on its center to ensure the latches are properly secured while sli...

Page 115: ...zel 1 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 5 Computer Access Panel 3 Pull up on the three release tabs 1 on the top of the bezel then pull the front bezel away from the chassis 2 To reinstall the front bezel reverse the removal procedure ...

Page 116: ...isassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 5 Computer Access Panel 3 Remove the front bezel Section 7 6 Front Bezel 4 Press the large retaining tab 1 on the left side of the bezel insert to the left and push the cover out of the front bezel 2 To install a bezel or a bezel blank reverse the removal procedure ...

Page 117: ...ful 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 open the lock Section 7 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 3 Remove the computer access panel Section 7 5 Computer Access Panel ÅWARNING To reduce risk of personal injury from hot surfaces al...

Page 118: ...e locked the Smart Cover Lock use Computer Setup to unlock the lock Section 7 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 1 Remove the computer access panel Section 7 5 Computer Access Panel 2 Disconnect all cables attached to the expansion cards 3 If you are installing a card for the first time go to step 6 If you are removing an...

Page 119: ...an expansion card from a PCI 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 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 ...

Page 120: ... the chassis when installing an expansion card 2 Push the expansion slot latch down 3 to secure the card If you are not replacing the old expansion card with a new card install an expansion slot cover to close the open slot Insert the metal slot covering the open slot then push the expansion slot latch down to secure the slot cover in place ÄCAUTION After removing an expansion card you must replac...

Page 121: ... type and size of the storage device installed in the computer run Computer Setup Drive Positions Item Description Item Description 1 5 25 inch drive bay for optional drives 3 Internal 3 5 inch one third height bay for hard drive 2 One standard 3 5 inch one third height bay 1 44 MB diskette drive shown If the computer has a 1 44 MB diskette drive installed it will be configured with a diskette dri...

Page 122: ...o the floor of the chassis Keep the cable clear of the power supply fan 3 Fold the diskette drive flat ribbon data cable 3 near the connector on the drive Route the cable up high on the drive cage near the cable connectors then folding again to lay beneath the optical drive data cable Be sure the diskette drive cable does not rest on the power supply and does not interfere with the power supply fa...

Page 123: ...emove the front bezel Section 7 6 Front Bezel 5 Raise the Easy Access drive bay to the upright position 6 Disconnect the audio signal and drive power cables from the drive The other end of the cables should remain connected to the system board 7 Make sure the drive cables are routed properly Section 7 10 2 Cable Routing 8 Return the Easy Access drive bay to the down position 9 Push the drive relea...

Page 124: ...ng the drive transfer the four screws from the old drive to the new one The screws take the place of drive rails 2 Position the guide screws on the drive into the J slots in the drive bay 1 Then slide the drive towards the rear of the computer 2 The drive release latch automatically locks in place when installing a drive ...

Page 125: ...drive 5 Make sure the drive cables are routed properly Section 7 10 2 Cable Routing 6 Return the Easy Access drive bay to the down position Be sure not to pinch the cables in the chassis when lowering the Easy Access drive bay 7 Replace the front bezel and computer access panel The system automatically recognizes the drive and reconfigures the computer ÄCAUTION When servicing the computer ensure t...

Page 126: ...y 3 Remove the computer access panel Section 7 5 Computer Access Panel 4 Remove the front bezel Section 7 6 Front Bezel 5 Raise the Easy Access drive bay to the upright position 6 Disconnect the audio signal and drive power cables from the drive The other end of the cables should remain connected to the system board 7 Return the Easy Access drive bay to the down position 8 Push the drive release l...

Page 127: ...ard the back of the drive cage until the front screws are aligned with the front J slots Then lower the front of the drive Continue to slide the drive all the way back until it locks into place If replacing a diskette drive all guide screws front and rear will line up on the J slots Insert the guide screws into the J slots then slide the drive toward the back of the drive cage until it locks into ...

Page 128: ...tup to unlock the lock Section 7 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 3 Remove the computer access panel Section 7 5 Computer Access Panel 4 Remove the front bezel Section 7 6 Front Bezel 5 Raise the Easy Access drive bay to the upright position 6 Disconnect the power cable and signal cable from the back of the drive ...

Page 129: ...ive from the bay 3 To replace the hard drive reverse the above procedure When replacing the hard drive transfer the four screws from the old drive to the new one The screws take the place of drive rails You will need a Torx T 15 screwdriver to remove and re install the guide screws Make sure the drive cables are routed properly Section 7 10 2 Cable Routing before rotating the drive cage to its ori...

Page 130: ...omputer for disassembly Section 7 1 Preparation for Disassembly 3 Disconnect the two I O device cables from the system board the front USB cable pair and the front audio cable 4 Remove the power supply from the chassis Section 7 19 Power Supply 5 From the inside of the chassis remove the two screws that secure the I O device to the chassis 1 then pull the device into the chassis 2 to free it from ...

Page 131: ...disassembly Section 7 1 Preparation for Disassembly 3 Disconnect the power switch LED cable from the system board 4 Carefully cut the cable tie that secures the power switch cable to the power supply cable cable bundle ÄCAUTION Be careful when cutting the cable tie not to cut any cables 5 Squeeze the switch holder retaining clips together at the front of the chassis 1 and push the switch assembly ...

Page 132: ... PCI Expansion Card 4 Remove the AGP graphics card Section 7 9 PCI Expansion Card 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 slide the tray assembly ...

Page 133: ... clip 1 near the front of the chassis 5 Remove the screws or the two piece plastic push pins that secure the fan to the chassis 2 then slide the fan up and out of the chassis 3 To install the chassis fan reverse the removal procedure If the fan is installed with screws spin the fan blades to ensure they are not making contact with the fan housing If the fan is installed with plastic push pins use ...

Page 134: ... CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recycling or...

Page 135: ...Slide the replacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Page 136: ...battery slide one edge of the replacement battery under the holder s lip 2 with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery After the battery has been replaced use the following steps to complete this procedure 3 Replace the computer cover or access panel 4 Plug in the computer and turn on power to the computer Reset the date and time your...

Page 137: ...sink to check its temperature If it is cool enough to handle then proceed 6 Twist the heatsink slightly to break the bond between it and the processor the lift the heatsink from the processor 5 7 Rotate the ZIF socket handle to its fully open position 6 and remove the processor from the socket 7 To install the processor and heatsink 1 Insert the processor into the ZIF socket 2 Press down on the pr...

Page 138: ... heatsink is loose enough to be gently twisted it is safe to remove it from the processor at this time Proceed to step 10 If the heatsink cannot be loosened continue with step 7 to warm up the heatsink ÄCAUTION Always twist when trying to remove a heatsink Never pull the heatsink straight out 5 Turn on the computer and repeatedly press the F10 key to enter the Computer Setup utility It takes about...

Page 139: ...cessor and lift it 2 from the processor 10 Raise the handle on the ZIF socket 3 to the full open position Grasp the processor by the edges and pull straight up 4 to remove it from the socket To install the processor and heatsink 1 Insert the processor into the ZIF socket 2 Press down on the processor while rotating and locking the ZIF socket handle in place 3 Refresh the thermal grease between the...

Page 140: ...its upright position 4 Disconnect the speaker wire from the system board 5 Carefully cut the cable tie that secures the speaker cable to the power supply cable bundle ÄCAUTION Be careful when cutting the cable tie not to cut any cables 6 Remove the power supply from the chassis Section 7 19 Power Supply 7 Remove the two screws that secure the speaker to the chassis 1 8 Slide the speaker towards th...

Page 141: ...omputer for disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 5 Computer Access Panel 3 Rotate the drive cage to its upright position 4 Carefully cut the cable tie that secures the power supply cable bundle to the power switch cable the speaker cable and the front I O cable 5 Disconnect all power cables from the mass storage devices and from the syste...

Page 142: ...erence Guide d300 dx6050 Removal and Replacement Procedures Slim Tower ST Chassis When installing the power supply reverse the removal procedure making sure that the clips on the bottom of the rear panel fit in the slots provided ...

Page 143: ...xit the operating system 4 Remove any diskette compact disc or MultiBay device from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems ...

Page 144: ...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 tw...

Page 145: ...computer for disassembly Section 8 1 Preparation for Disassembly 2 Remove the computer cover Section 8 5 Computer Cover 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 146: ... 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 8 4 2 Padlock A padlock may be used by itself to secure the access panel to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object I ...

Page 147: ...sembly 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 Loosen the two captive thumbscrews 1 that secure the computer cover to the computer chassis 3 Slide the computer cover 2 back about 1 inch 2 5 cm then lift it off the unit To install the computer cover reverse the removal procedure ...

Page 148: ...8 1 Preparation for Disassembly 2 Remove the computer cover Section 8 5 Computer Cover 3 Pull up on the two release tabs on the left side of the bezel and push the release tab on the right side of the bezel in toward the center of the chassis 1 then rotate the front bezel away from the chassis to release it 2 To reinstall the front bezel reverse the removal procedure ...

Page 149: ...sassembly Section 8 1 Preparation for Disassembly 2 Remove the computer cover Section 8 5 Computer Cover 3 Remove the front bezel Section 8 6 Front Bezel 8 7 1 5 25 Drive Bezel Blank Pinch the two small retaining clips 1 on the right side of the bezel blank and rotate the blank out of the front bezel 2 To install a bezel blank reverse the removal procedure ...

Page 150: ...s 8 7 2 Diskette Drive Bezel or Bezel Blank Press the two small retaining clips 1 on the right side of the bezel blank and the single clip on the bottom 2 towards the center of the diskette bezel and push the cover out of the front bezel 3 To install a bezel or a bezel blank reverse the removal procedure ...

Page 151: ...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 8 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 8 1 Preparation for Disassembly 3 Remove the computer cover Section 8 5 Computer Cover ÅWARNING To reduce risk of personal injury from hot surfaces allow the ...

Page 152: ... and enable the Smart Cover Sensor 8 9 Expansion Cards 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 8 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 8 1 Preparation for Disassembly 3 Remove the computer cover Section 8 5 Computer Cover 4 Remove the computer cover and locate the correct vacant expansion socket on the system...

Page 153: ...ent Procedures Desktop DT Chassis 6 If you are installing an expansion card in a vacant socket remove the appropriate expansion slot on the back of the chassis Pull the slot cover straight up 1 then in toward the center of the chassis 2 to release it from the chassis frame ...

Page 154: ...ard at each end and carefully rock it back and forth until the connectors pull free from the socket Lift the expansion card straight up 1 then pull it in toward the center of the chassis 2 to release it from the chassis frame Be sure not to scrape the card against other components Before removing an installed expansion card disconnect any cables that may be attached to the expansion card ...

Page 155: ... center of the chassis to release it from the chassis frame Be sure not to scrape the card against other components 9 Store the removed card in anti static packaging 10 If you are not installing a new expansion card install an expansion slot cover to close the open slot and continue with step 12 If you are installing a new expansion card continue with step11 ÄCAUTION After removing an expansion ca...

Page 156: ...ystem board 2 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 system board 12 Close the expansion slot retention bracket by rotating it toward the chassis 1 and pressing down on the thumb tabs 2 so that they snap firmly into place 13 Connect external cables to the installed card and internal ca...

Page 157: ... 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 Compaq factory installed files 8 10 1 Drive Positions To verify the type and size of the storage device installed in the computer run Computer Setup Drive Positions Item Description Item Descrip...

Page 158: ...sis Routine Care and Disassembly Preparation for more information Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers 1 If you have locked the Smart Cover Lock use Computer Setup to unlock the lock Section 8 2 Unlocking the Smart Cover...

Page 159: ...Service Reference Guide d300 dx6050 319865 008 8 17 Removal and Replacement Procedures Desktop DT Chassis Optical Drive Cables Diskette Drive Cables ...

Page 160: ...8 319865 008 Service Reference Guide d300 dx6050 Removal and Replacement Procedures Desktop DT Chassis Hard Drive Cables 7 While pressing down on the drivelock mechanism pull the drive out of the drive bay ...

Page 161: ...319865 008 8 19 Removal and Replacement Procedures Desktop DT Chassis 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 ...

Page 162: ...puter for disassembly Section 8 1 Preparation for Disassembly 3 Remove the computer cover Section 8 5 Computer Cover 4 Remove the front bezel Section 8 6 Front Bezel If you are adding a drive in a bay that was previously empty you must remove the corresponding bezel blank from the front bezel 5 Install four guide screws in the lower holes on each side of the drive Extra guide screws are provided o...

Page 163: ...e to the drive 7 When installing an optical drive the default audio solution is digital audio If analog audio is preferred connect the audio cable from the drive to the embedded audio connector on the system board 8 Connect the data and power cables on the to the drive Refer to Chapter 4 Serial and Parallel ATA Drive Guidelines and Features for information on attaching the cabling to get optimum p...

Page 164: ...ion 8 2 Unlocking the Smart Cover Lock 2 Prepare the computer for disassembly Section 8 1 Preparation for Disassembly 3 Remove the computer cover Section 8 5 Computer Cover 4 Remove the front bezel Section 8 6 Front Bezel 5 If removing a hard drive lift up on the hard drive bracket 1 if necessary then rotate it down 2 to gain access to the drive bay 6 Install four guide screws two on each side of ...

Page 165: ...t locks into place ÄCAUTION Make sure the guide screws line up with the guide slots in the drive cage The use of unnecesary force when installing any drive into the drive bay may result in damage to the drive 8 Connect the data and power cables to the hard drive Refer to Chapter 4 Serial and Parallel ATA Drive Guidelines and Features for information on attaching the cabling to get optimum performa...

Page 166: ...ter Cover 3 Disconnect the two I O device cables from the system board the front USB cable pair and the front audio cable 4 Remove the 5 25 drives from their bays to gain access to the I O device Section 8 10 2 Removing a Drive 5 From the inside of the chassis remove the two screws that secure the I O device to the chassis 1 then pull the device into the chassis 2 to free it from its mount To inst...

Page 167: ...he computer cover Section 8 5 Computer Cover 3 Remove the 5 25 drives from their bays to gain access to the power switch assembly Section 8 10 2 Removing a Drive 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 push the switch assembly out of the chassis 2 To install the power switch assembly revers...

Page 168: ...sion Cards 4 Remove the AGP graphics card Section 8 9 Expansion Cards 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 slide the tray assembly into the cha...

Page 169: ...ompaq spare designated for this product Ä CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general household waste...

Page 170: ...lide the replacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Page 171: ...ttery slide one edge of the replacement battery under the holder s lip 2 with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery After the battery has been replaced use the following steps to complete this procedure 3 Replace the computer cover or access panel 4 Plug in the computer and turn on power to the computer Reset the date and time your p...

Page 172: ...Computer Cover 8 15 1 Type 1 1 Release the tension from the heatsink 1 and 2 2 Remove the retaining clips 3 3 Remove the heatsink from atop the processor 4 4 Open the ZIF socket lever 5 5 Remove the processor 6 To install the processor and heatsink 1 Insert the processor into the ZIF socket 2 Press down on the processor while rotating and locking the ZIF socket handle in place 3 Refresh the therma...

Page 173: ...pen the ZIF socket lever 5 5 Remove the processor 6 To install the processor and heatsink 1 Insert the processor into the ZIF socket 2 Press down on the processor while rotating and locking the ZIF socket handle in place 3 Refresh the thermal grease between the heatsink and processor if necessary 4 Install the heatsink and latch it in place 5 Connect the heatsink fan control to the system board 6 ...

Page 174: ... the ZIF socket lever 4 5 Remove the processor 5 To install the processor and heatsink 1 Insert the processor into the ZIF socket 2 Press down on the processor while rotating and locking the ZIF socket handle in place 3 Refresh the thermal grease between the heatsink and processor if necessary 4 Install the heatsink and latch it in place 5 Connect the heatsink fan control to the system board 6 Rep...

Page 175: ...Prepare the computer for disassembly Section 8 1 Preparation for Disassembly 2 Remove the computer cover Section 8 5 Computer Cover 3 Disconnect the speaker wire from the system board 4 Remove the four screws that secure the speaker to the chassis 5 Remove the speaker To install the speaker reverse the removal procedures ...

Page 176: ... computer for disassembly Section 8 1 Preparation for Disassembly 2 Remove the computer cover Section 8 5 Computer Cover 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 ...

Page 177: ...disconnected from the computer and or the AC outlet before opening the computer 1 Prepare the computer for disassembly Section 8 1 Preparation for Disassembly 2 Remove the computer cover Section 8 5 Computer Cover 3 Disconnect all power cables from the mass storage devices and from the system board 4 Remove the four screws that connect the power supply to the chassis 1 5 Slide the power supply tow...

Page 178: ...8 36 319865 008 Service Reference Guide d300 dx6050 Removal and Replacement Procedures Desktop DT Chassis ...

Page 179: ...rkstation connectors Some of these connectors may not be used on the product being serviced Enhanced 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 180: ...eceive Data Unused Unused Ethernet AUI Connector and Icon Pin Signal Pin Signal 1 2 3 4 Ground Negative AUI Differential Collision Positive AUI Differential Collision Negative AUI Differential Transmit 9 10 11 12 Positive AUI Differential Receive 12V Ground Ground 5 6 7 8 Positive AUI Differential Transmit Ground Ground Negative AUI Differential Receive 13 14 15 16 Unused Unused Unused Unused ...

Page 181: ...Acknowledge Busy Paper End 16 17 18 25 Initialize Printer Select IN Signal Ground Serial Interface Powered and Non Powered Connector and Icon Pin Signal 1 2 3 Carrier Detect 12V if powered Receive Data Transmit Data 4 5 6 Data Terminal Ready Signal Ground Data Set Ready 7 8 9 Request to Send Clear to Send Ring Indicator 5V if powered USB Connector and Icon Pin Signal 1 2 3 4 5 VDC Data Data Ground...

Page 182: ...Connector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_Out_Left 2 Ring Audio_Out_Right 3 Shield Ground SCSI Low Voltage Differential Single Ended LVD SE Connector and Icon Pin Signal Pin Signal Pin Signal Pin Signal 1 16 17 18 19 Ground TERMPWR Reserved 40 41 42 D0 D1 D1 49 50 51 52 53 Ground TERMPW Reserved 60 61 62 MSG SEL C D 20 34 35 36 Ground D12 D13 43 44 45 D3 D4 D5 54 55 56 Ground ATN Gro...

Page 183: ...nd DB0 DB1 DB2 33 34 35 36 DB7 DBP Ground Ground 41 42 43 44 ATN Ground BSY ACK 49 50 REQ Input Output External Infrared Transceiver Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Transmit Receive Ground 4 5 6 5V Mode Not Used 7 8 Not Used Not Used Monitor Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Red Analog Green Analog Blue Analog 6 7 8 Ground Ground Ground 11 12 13 No...

Page 184: ...DY CSEL 39 40 DASP Ground MultiBay CD ROM Adapter Connector Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 RESDRV_ GROUND D07 D08 D06 18 19 20 21 22 D15 GROUND key DRQ GROUND 35 36 37 38 39 A0 A2 CS1FX CS3FX DASP 52 53 54 55 56 FP05 FP06 FP07 FP08 FP09 6 7 8 9 10 D09 D05 D10 D04 D11 23 24 25 26 27 IOW GROUND IOR GROUND IOCHDRY 40 41 42 43 44 GROUND 5VMLOG 5VMOT GROUND AUDIO_L 57 58 59 60 61...

Page 185: ... Ground WBF SBA1 ST2 RBF Ground Reserved SBA0 44 45 46 47 48 Reserved VCC 3 3 TRDY STOP PME Reserved VCC 3 3 DEVSEL Vddq PERR 16 17 18 19 20 VCC 3 3 SBA3 SB_STB Ground SBA5 VCC 3 3 SBA2 SB_STB Ground SBA4 49 50 51 52 53 Ground PAR AD15 Vddq AD13 Ground SERR C BE1 Vddq AD14 21 22 23 24 25 SBA7 Reserved Ground Reserved VCC 3 3 SBA6 Reserved Ground 3 3 Vaux VCC 3 3 54 55 56 57 58 AD11 Ground AD9 C BE...

Page 186: ... 17 18 19 20 GND GND open 5 V 5 V Open for d300 series computers 5V for all others 4 Pin Power for CPU Connector and Icon Pin Signal 1 GND 2 GND 3 12 V 4 12 V 20 10 11 1 Drive Connectors Pin Signal Pin Signal Pin Signal Pin Signal S1 S5 Ground B S2 S6 A B S3 S7 A Ground S4 Ground P1 P5 P9 P13 V 3 3 Ground V 5 V 12 P2 P6 P10 P14 V 3 3 Ground Ground V 12 P3 P7 P11 P15 V 3 3 V 5 Reserved V 12 P4 P8 P...

Page 187: ... authorized HP dealer reseller or service provider General Requirements The requirements listed below are applicable to all countries 1 The length of the power cord set must be at least 6 00 feet 1 8 m and a maximum of 9 75 feet 3 0 m 2 All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country where the power cord set will be used 3 The power...

Page 188: ... Type HO5VV F 3 conductor 1 0 mm2 conductor size Power cord set fittings appliance coupler and wall plug must bear the certification mark of the agency responsible for evaluation in the country where it will be used 2 The flexible cord must be Type SJT or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration...

Page 189: ... remains Clear CMOS If the message disappears there may be a problem with the expansion card Replace the system board 102 System Board Failure DMA timers etc Clear CMOS Remove expansion boards Replace the system board 103 System Board Failure DMA timers etc Clear CMOS Remove expansion boards Replace the system board 150 SafePost Active A PCI expansion card is not responding Restart the computer Di...

Page 190: ...ry and continuity modules are installed correctly Verify proper memory module type Remove and replace memory module s one at a time to isolate faulty module Replace the faulty memory module s If error persists after replacing memory modules replace the system board 202 Memory Type Mismatch Memory modules do not match each other Replace memory modules with matched sets 207 ECC Corrected Single Bit ...

Page 191: ...Replace keyboard Replace system board 401 Parallel Port 1 Address Assignment Conflict IRQ address conflicts with another device Reset the IRQ 402 Parallel Port 2 Address Assignment Conflict IRQ address conflicts with another device Reset the IRQ 403 Parallel Port 3 Address Assignment Conflict IRQ address conflicts with another device Reset the IRQ 404 Parallel Port Address Conflict Detected Both e...

Page 192: ...functioned Reseat CPU or chassis fan Replace CPU or chassis fan 520 Single Monitor Configuration warning Single monitor configuration with monitor attached to video port 2 Turn off unit attach monitor to video port 1 then restart unit 601 Diskette Controller Error Diskette controller circuitry or floppy drive circuitry incorrect Run Computer Setup F10 Setup Check and or replace cables Clear CMOS R...

Page 193: ...expansion cards Clear CMOS Reconfigure card resources and or run Computer Setup F10 Setup Run Computer Setup or Windows utilities 1152 Serial Port 2 Address Conflict Detected Both external and internal serial ports are assigned to COM2 Remove any Comm port expansion cards Clear CMOS Reconfigure card resources and or run Computer Setup F10 Setup Run Computer Setup or Windows utilities 1155 Serial P...

Page 194: ...ed to primary IDE controller Devices attached to the Primary IDE Parallel ATA controller are inaccessible while SATA Configuration is set to Replace Primary IDE Controller in Computer Setup If you do not require access to SATA devices or if you are using Windows 2000 or XP enter Computer Setup and change SATA Configuration to Add as a Separate Controller Otherwise relocate or remove the devices to...

Page 195: ...ve has Changed The current bootable hard drive is not the same as the one that was present when MBR security was enabled Run Computer Setup and either disable MBR security or save the MBR of the current bootable disk Invalid Electronic Serial Number Electronic serial number has become corrupted Run Computer Setup If Setup already has data in the field or will not allow the serial number to be ente...

Page 196: ...C 8 319865 008 Service Reference Guide d300 dx6050 POST Error Messages ...

Page 197: ...y and a single 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 keyboa...

Page 198: ...set the date and time under Control Panel 2 Replace the RTC battery Computer appears to pause periodically Network driver is loaded and no network connection is established Establish a network connection or use Computer Setup or Microsoft Windows Device Manager to disable the network controller Cursor will not move using the arrow keys on the keypad The Num Lock key may be on Press the Num Lock ke...

Page 199: ...Ds on the front of the computer are not flashing System 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 is set to the appropriate voltage 2 Remove the expansion cards one at a time until the 3 3 V_aux light on the system board turns on 3 Replace the system board OR Press and hold the power button fo...

Page 200: ... and see if the processor fan spins If the processor fan is not spinning make sure the fan s cable is plugged onto the system board header Ensure the fan is fully properly seated or installed 3 Replace the processor fan 4 Reseat processor heatsink and verify that the fan assembly is properly attached Power LED flashes Red once every two seconds Power failure power supply is overloaded 1 Check that...

Page 201: ...are connected Drive not found Cable is loose Reseat diskette drive data and power cables Removable drive is not seated properly Reseat the drive You attempted to hot plug a removable hard drive that has DriveLock security enabled This feature supported on select models only Shut down the computer Insert the drive into the MultiBay if it is not already inserted Turn on the computer Diskette drive c...

Page 202: ...skette type You are reading the wrong drive Check the drive letter in the path statement Diskette is damaged Replace the diskette with a new one Invalid system disk message is displayed A diskette that does not contain the system files needed to start the computer has been inserted in the drive When drive activity stops remove the diskette and press the Spacebar The computer should start up Disket...

Page 203: ...em still does not recognize the new device check to see if the device is listed within Computer Setup If it is listed the probable cause is a driver problem If it is not listed the probable cause is a hardware problem 3 If this is a newly installed drive enter Setup and try adding a POST delay under Advanced Power On Drive jumper settings may be incorrect If the drive is a secondary drive that has...

Page 204: ...mputer Setup Run Computer Setup and enable the hard drive entry in the Storage Boot Order list Second Ultra ATA hard drive does not perform optimally Using the wrong cable for the drive type Reinstall the second Ultra ATA hard drive using an 80 conductor cable standard on select models Both slow and fast UATA devices are on the same data cable Connect slower UATA devices to a separate data cable c...

Page 205: ...orizontal scan rate as the resolution chosen Computer is in standby mode Press the power button to resume from standby mode ÄCAUTION When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose your data Monitor cable plugged into the wrong connector If the computer system has both an integrated gra...

Page 206: ...rs may not be loaded Install the video drivers included in the upgrade kit Monitor is not capable of displaying requested resolution Change requested resolution The picture is broken up rolls jitters or flashes The monitor connections may be incomplete or the monitor may be incorrectly adjusted 1 Be sure the monitor cable is securely connected to the computer 2 In a two monitor system or if anothe...

Page 207: ...may be unable to correctly interpret the output synchronization of the graphics card 1 Select the monitor s Auto Adjustment option in the monitor s on screen display menu 2 Manually synchronize the Clock and Clock Phase on screen display functions Download SoftPaq SP20930 or SP22333 depending on the monitor to assist with the synchronization Certain typed symbols do not appear correct The font you...

Page 208: ...1 From the Control Panel select System 2 On the Hardware tab click the Device Manager button 3 Right click on the CD DVD device and select Properties 4 On the Properties tab make sure Enable digital CD audio for this CD ROM device is checked Headphones or devices connected to the line out connector mute the internal speaker Turn on and use headphones or external speakers if connected or disconnect...

Page 209: ...t If you set digital as the Output Mode the internal speaker and external analog speakers will no longer output audio until you switch back to an auto sense or analog mode If you set analog as the Output Mode external digital speakers will not function until you change the output mode back to an auto sense or digital mode Sound cuts in and out Processor resources are being used by other open appli...

Page 210: ...rinter 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 Printer prints garbled information The correct printer driver is not installed Install the correct pr...

Page 211: ...keys on the keypad The Num Lock key may be on Press the Num Lock key The Num Lock light should not be on if you want to use the arrow keys The Num Lock key can be disabled or enabled in Computer Setup Mouse does not respond to movement or is too slow Mouse connector is not properly plugged into the back of the computer 1 Shut down the computer using the keyboard 2 Plug the mouse connector into the...

Page 212: ...re properly and securely connected and that pins in the cable or connector are not bent down Power switch of new external device is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configuration you did not accept them Reboot the computer and follow the instructio...

Page 213: ... 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 Video card is not seated properly or is bad or system board is bad For systems with a graphics card 1 Reseat the graphics card Power on the system 2 Replace the graphics card 3 Replace the system board For systems ...

Page 214: ...hat the device is working properly Network driver is not properly loaded Reinstall network drivers System cannot autosense the network Disable auto sensing capabilities and force the system into the correct operating mode Diagnostics reports a failure The cable is not securely connected Ensure that both ends of the data cable are securely connected The cable is attached to the incorrect connector ...

Page 215: ...dvanced menu change the resource settings for the board Network controller stops working without apparent cause The files containing the network drivers are corrupted Reinstall the network drivers using the Restore Plus CD The cable is not securely connected Ensure that both ends of the cable are securely attached to the correct devices The network controller is defective Replace the NIC New netwo...

Page 216: ...vice Manager to check memory configuration You have run out of memory to run the application Check the application documentation to determine the memory requirements Memory count during POST is wrong The memory modules may not be installed correctly Check that the memory modules have been installed correctly and that proper modules are used Insufficient memory error during operation Too many Termi...

Page 217: ... 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 is Red and stays on Processor is not seated properly or not installed 1 Check to see that the processor is present 2 Reseat the processor ...

Page 218: ...are is not installed Install decoder software Cannot eject compact disc tray load unit Disc not properly seated in the drive 1 Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly 2 Slowly pull the tray out from the drive until the tray is fully extended then remove the disc CD ROM CD RW DVD ROM or DVD R RW drive cannot read a disc or takes too long to st...

Page 219: ...st physical drive is not available Change the default drive letter for the Drive key in Windows XP The computer boots to DOS after making a bootable Drive key Drive key is bootable Install the Drive key after the operating system boots Solving Internet Access Problems Problem Cause Solution Unable to connect to the Internet Internet Service Provider ISP account is not set up properly Verify Intern...

Page 220: ... s RJ 45 connector If the connection is good the PC LED light on the front of the cable DSL modem will be on IP address is not configured properly Contact the ISP for the correct IP address Cookies are corrupted Windows 2000 1 Select Start Settings Control Panel 2 Double click Internet Options 3 On the General tab click the Delete Cookies button Windows XP 1 Select Start Control Panel 2 Double cli...

Page 221: ...ct Start Control Panel Continue with step 2 2 Double click System 3 Click the Hardware tab 4 In the Device Manager area click the Device Manager button 5 Double click Ports COM LPT 6 Right click the COM port your modem uses then click Properties 7 Under Device status verify that the modem is working properly 8 Under Device usage verify the modem is enabled 9 If there are further problems click the...

Page 222: ...D 26 319865 008 Service Reference Guide d300 dx6050 Troubleshooting Without Diagnostics ...

Page 223: ...MMs They must also contain the mandatory Joint Electronic Device Engineering Council JEDEC Serial Presence Detect SPD information DIMMs constructed with x4 SDRAM are not supported the system will not start using unsupported DIMMs Intel Based Systems Computers equipped with Intel based processors come with double data rate synchronous dynamic random access memory DDR SDRAM dual inline memory module...

Page 224: ...l not start if you install unsupported DIMMs DIMM Sockets There are four DIMM sockets on the system board with two sockets per channel The sockets are labeled XMM1 XMM2 XMM3 and XMM4 Sockets XMM1 and XMM2 operate in memory channel A Sockets XMM3 and XMM4 operate in memory channel B The system board shown below may be different from the one in your computer Memory Frequency Required Processor Bus F...

Page 225: ...m For example if the system is populated with a DIMM that is 266 MHz and a second DIMM that is 333 MHz the system will run at the slower of the two speeds In dual channel mode the DIMM pairs must be identically matched DIMMs in the XMM1 and XMM3 black sockets must be identical DIMMs in the XMM2 and XMM4 blue sockets must also be identical Therefore if you have one preinstalled DIMM in socket XMM1 ...

Page 226: ...E 4 319865 008 Service Reference Guide d300 dx6050 Memory ...

Page 227: ...ar CMOS header H5 J6 J7 J8 RTC clock crystal Tie down BNC RJ 45 Jack IEEE 1394 J9 J10 19 J20 29 J30 J31 J35 Stacked RJ45 Dual USB connector ISA slots PCI slots Riser board socket Device Bay connectors J36 J37 J38 J39 J40 AC97 connector Primary SCSI connector Secondary SCSI connector Stacked parallel SCSI connector AGP slot J50 J51 J52 First parallel port Second parallel port Double stacked paralle...

Page 228: ... 1 Secondary double stack USB Top Port 4 Bottom Port 3 J83 J101 J113 J9020 J9029 L1 Triple stacked audio jack line in line out headphone microphone Security board connector for security card Video cache connector Riser board PCI slots USB front port choke L2 L3 L4 P1 USB rear port choke 1st USB rear port choke 2nd USB rear port choke 3rd P S connector P2 P3 P5 P6 Second P S connector as required V...

Page 229: ...r fansink Secondary CPU fan header for fansink P89 P100 P101 P120 P124 Floating serial port COM port header ITP connector Security card connector system board Secondary chassis fan header Hood lock header P125 P216 SW1 SW2 SW50 Hood sensor header White box chassis fan Processor speed switch Security hood switch Clear CMOS switch push button SW51 SW52 U15 U100 XBT1 Power button switch System reset ...

Page 230: ...F 4 319865 008 Service Reference Guide d300 dx6050 System Board and Riser Board Reference Designators ...

Page 231: ...g 5 8 ST removal and replacement 7 19 cable layout PATA 4 3 cable lock DT 8 4 µT 6 3 ST 7 6 cable lock provision 3 19 cable pinouts PATA data 4 2 PATA power 4 2 SATA data 4 1 SATA power 4 2 categories Diagnostics for Windows 2 14 cautions AC power 5 1 adding devices 1 1 batteries 5 8 cables 5 8 cooling fan 5 7 FailSafe Key 3 17 installation 1 1 keyboard cleaning 5 6 keyboard keys 5 6 protecting RO...

Page 232: ...ement 8 13 cable lock 8 4 chassis fan removal and replacement 8 34 disassembly preparation 8 1 diskette drive bezel removal and replacement 8 8 diskette drive cable disconnecting 8 17 drive positions 8 15 drive removal and replacement 8 16 expansion card removal and replacement 8 10 expansion slot cover 8 10 expansion slot cover removal 8 11 external security 8 4 FailSafe key 8 2 front bezel remov...

Page 233: ...placement 6 23 ST removal and replacement 7 24 front I O panel µT removal and replacement 6 22 G grounding methods 5 4 H hard drive DT removal and replacement 8 22 proper handling 5 8 ST removal and replacement 7 22 hard drive cable DT disconnecting 8 18 µT disconnecting 6 17 µT connecting 6 20 hard drives diagnostic tool 3 20 headphone pin assignments A 4 heatsink DT removal and replacement 8 30 ...

Page 234: ...11 power supply removal and replacement 6 34 power switch assembly removal and replacement 6 24 preparation for disassembly 6 1 processor removal and replacement 6 26 Smart Cover Lock 6 2 speaker removal and replacement 6 33 system board removal and replacement 6 28 tamper proof screws 6 2 µT FailSafe key 6 2 monitor blank screen D 9 blurry video D 10 checking connections D 1 cleaning 5 6 dim char...

Page 235: ...onment 3 2 R recovering system 3 5 recovery software 3 1 Remote Diagnostics Enabling Agent 2 18 Remote ROM Flash 3 4 remote setup 3 2 Remote System Installation accessing 3 2 removal and replacement DT AGP card 8 13 DT battery 8 27 DT cable lock 8 4 DT chassis fan 8 34 DT diskette drive bezel 8 8 DT drive 8 16 DT expansion card 8 10 DT front bezel 8 6 DT front drive bezel 8 7 DT front I O devices ...

Page 236: ...ns 5 7 setting setup password 3 11 3 12 timeouts 3 7 setup software 1 2 windows 1 1 setup password changing 3 13 deleting 3 13 entering 3 12 setting 3 11 setup initial 3 1 setup replicating 3 6 Smart Cover Lock DT 8 2 locking 3 17 µT 6 2 ST 7 2 unlocking 3 17 Smart Cover Sensor protection levels 3 16 software asset tracking 3 8 Computer Setup Utilities 2 1 3 6 Drive Protection System 3 20 integrat...

Page 237: ... and replacement 7 26 tamper proof screws 7 2 static electricity 5 3 storage Computer Setup heading 2 4 surge tolerant power supply 3 20 system board designators F 1 DT removal and replacement 8 26 µT removal and replacement 6 28 ST removal and replacement 7 26 system recovery 3 5 System Software Manager SSM 3 3 T tamper proof screws DT 8 2 µT 6 2 ST 7 2 timeouts setting 3 7 tools required 5 7 U U...

Page 238: ...Index 8 319865 008 Service Reference Guide d300 dx6050 Index ...

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