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D–4

360201-002

Service Reference Guide, dc5000

Troubleshooting Without Diagnostics

Solving Power Supply Problems

Solving Power Supply Problems

Problem

Cause

Solution

Power supply shuts down
intermittently.

Voltage selector switch
on rear of computer
chassis not switched to
correct line voltage.

Select the proper AC voltage.

Power supply fault.

Replace the power supply.

Computer powered off
automatically and the
Power LED flashes Red two
times, once every second,
followed by a two second
pause.

Processor thermal
protection activated:
A fan may be blocked
or not turning.
OR
The heatsink/fan
assembly is not properly
attached to the
processor.

1. Ensure that the computer air

vents are not blocked and the
cooling fan is running.

2. Open hood, press the power

button, 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 the voltage selector,

is set to the appropriate voltage.

2. Open the hood and ensure the

4-wire power supply cable is
seated into the connector on the
system board.

3. Check if a device is causing the

problem by removing ALL
attached devices). Power on the
system. If the system enters the
POST, then power off and
replace one device at a time
and repeat this procedure until
failure occurs. Replace the
device causing the failure.
Continue adding devices one at
a time to ensure all devices are
functioning properly.

4. Replace the power supply.

5. Replace the system board.

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Содержание Compaq dc5000 MT

Страница 1: ...ment provides information on the removal and replacement of all parts as well as information on troubleshooting Desktop Management setup utilities PATA drives safety routine care connector pin assignments POST error messages and diagnostic indicator lights Document Part Number 360201 002 ...

Страница 2: ......

Страница 3: ...Service Reference Guide HP Compaq Business Desktop dc5000 Series 2nd Edition Document Part Number 360201 002 April 2004 ...

Страница 4: ...e 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 Product of the United States ÅWARNING Text set off in this manner indicates that failure to follow ...

Страница 5: ...ration Record 2 16 2 4 1 Installing Configuration Record 2 16 2 4 2 Running Configuration Record 2 16 2 5 Remote Diagnostics Enabling Agent 2 17 2 5 1 Installing or Upgrading Remote Diagnostics Enabling Agent 2 17 2 5 2 Running the Remote Diagnostics Enabling Agent 2 17 2 6 Protecting the Software 2 17 2 7 Restoring the Software 2 18 3 Desktop Management 3 1 Initial Configuration and Deployment 3 ...

Страница 6: ...le Layout 4 1 4 3 Drive Installation Guidelines 4 2 4 3 1 Device Classes 4 3 4 3 2 Attach Sequence Rules by Class Priority 4 3 4 3 3 Attach Sequence Worksheet 4 4 4 3 4 Additional Drive Application Notes 4 6 4 4 SMART 4 6 4 5 Drive Capacities 4 7 5 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 Chassis Designations 5 1 5 1 1 Microtower µT 5 1 5 1 2 Small Form Factor SFF 5 2 5...

Страница 7: ...xpansion Card 6 12 6 8 Drives 6 14 6 8 1 Drive Positions 6 14 6 8 2 Removing a Drive 6 15 6 8 3 Installing a Drive 6 17 6 9 Chassis Fan 6 20 6 10Front I O Panel Housing Assembly 6 21 6 11Front I O Devices 6 22 6 12Power Switch Assembly 6 23 6 13Processor and Heatsink 6 25 6 14System Board 6 26 6 15Battery 6 27 6 15 1Type 1 Battery Holder 6 28 6 15 2Type 2 Battery Holder 6 29 6 15 3Type 3 Battery H...

Страница 8: ...r Switch Assembly 7 21 7 11System Board 7 22 7 12Chassis Fan 7 23 7 13Battery 7 24 7 13 1Type 1 Battery Holder 7 25 7 13 2Type 2 Battery Holder 7 26 7 14Processor and Heatsink 7 27 7 15Speaker 7 28 7 16Power Supply 7 29 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E System Board and Riser Board Reference Designators F Memory ...

Страница 9: ... are prompted to select the appropriate language for the operating system Read and follow the instructions that appear on the 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 ...

Страница 10: ...evice drivers Configuration Record Online Safety Comfort Guide HP Intelligent Manageability Enhanced HP Insight Personal Edition Diagnostics for Windows DMI Support Power Management with energy saver features Security Management tools Software Support Management tools Certain drivers and utilities are available only in selected languages You can obtain the latest version of these files in English ...

Страница 11: ...sswords 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 Diskett...

Страница 12: ...OST messages POST Messages Disabled 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 r...

Страница 13: ...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 Utilities menu press Esc 6 To apply and save changes select File Save Changes and E...

Страница 14: ...h 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 informat...

Страница 15: ...d the data on the disk will 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 1023 The number of heads may not exceed 255 The number of sectors per tra...

Страница 16: ... to specify the order in which attached peripheral devices such as a diskette drive hard drive optical drive or network interface card are checked for bootable operating system image Each device on the list may be individually excluded from or included for consideration as a bootable operating system source MS DOS drive lettering assignments may not apply after a non MS DOS operating system has st...

Страница 17: ...able 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 the option of saving the MBR on the current bootable disk restoring the previously saved MBR or disabling MBR...

Страница 18: ...fied 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 so...

Страница 19: ...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...

Страница 20: ...vantage 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 D...

Страница 21: ...e Allows you to specify amount of system memory dedicated to the embedded graphics frame buffer The AUTO setting attempts to optimize the frame buffer size depending on the amount of total system memory Monitor Tracking enable disable Allows ROM to save monitor asset information Spread Spectrum enable disable allows system clocks to run with a spread spectrum NIC PXE Option ROM Download enable dis...

Страница 22: ...inability to test a subsystem will be indicated by an error message under the subsystem name in the Test window or by shaded check boxes that cannot be selected Use Diagnostics for Windows in the following instances to Determine if all the devices installed on the computer are recognized by the system and functioning properly Running tests is optional but recommended after installing or connecting...

Страница 23: ...stics for Windows If you want to upgrade an existing version of Diagnostics for Windows installed on the computer visit http www hp com support files and click on an applicable product Locate the desired software and download the latest version Execute the downloaded file and select Repair to update the installed version This will cause the new version to overwrite the old version 2 3 3 Using Cate...

Страница 24: ...al number and processor Input Devices Keyboard mouse and joystick s Communication Ports Storage Storage drives Graphics Graphics Memory System board and Windows memory Multimedia Optical storage CD DVD and so on and audio Windows Windows Architecture PCI Device Resources IRQ I O and Memory Map Health Status of system temperature and hard drives Miscellaneous CMOS DMI BIOS System Product Name and S...

Страница 25: ...tems The inability 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 conjunc...

Страница 26: ... of problems without taking the computer offline and assists in maximizing 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 dir...

Страница 27: ...elected for testing by the Remote Diagnostics Enabling Agent The Remote 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...

Страница 28: ...5000 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 ...

Страница 29: ...ware 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 hard ...

Страница 30: ...re on desktops and workstations HP Client Manager Software Altiris Client Management Solutions System Software Manager Proactive Change Notification and Subscriber s Choice 3 3 1 HP Client Manager Software HP Client Manager Software HP CMS assists HP customers in managing the hardware aspects of their client computers with features that include Detailed views of hardware inventory for asset manage...

Страница 31: ...ient Manager Software administrators can also update ROM BIOS and device driver software from a central console For more information visit http h18000 www1 hp com im index html 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 upd...

Страница 32: ...Order an upgraded ROMPaq diskette from HP Download the latest ROMPaq images from http www hp com support 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...

Страница 33: ...covery mode message is displayed on the screen some models To recover the system after it enters Boot Block recovery mode complete the following steps 1 If there is a diskette in the diskette drive or a CD in the CD drive remove the diskette and CD and turn off the power 2 Insert a ROMPaq diskette into the diskette drive or if permitted on this computer a ROMPaq CD into the CD drive 3 Turn on the ...

Страница 34: ...he suspend feature does not completely 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 Co...

Страница 35: ...eft click on the Start Button then select Control Panel Power Options 2 In the Power Options Properties select the Power Schemes tab 3 Select the desired power scheme settings Use Display Properties to establish modify or disable Power Management settings 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...

Страница 36: ...r 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 following table and sections refer to managin...

Страница 37: ... Change Alerts refer to the online Intelligent Manageability Guide Ownership Tag Displays ownership information as defined by the system administrator during system startup protected by setup password From the Computer Setup Utilities F10 menu Cable Lock Provision Inhibits access to the interior of the computer to prevent unwanted configuration changes or component removal Can also be used to secu...

Страница 38: ...he F10 key at the appropriate time you must turn the computer off then on again and press the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error message disregard it 3 Select Security then select Setup Password and follow the instructions on the screen 4 Before exiting click File Save Changes and Exit 3 5 3 Establishing a Power On Password Using Compu...

Страница 39: ...he F10 key at the appropriate time you must turn the computer off then on again and press the F10 key again to access the utility If you are using a PS 2 keyboard you may see a Keyboard Error message disregard it 3 When the key icon appears on the monitor type the setup password then press the Enter key Type carefully for security reasons the characters you type do not appear on the screen If you ...

Страница 40: ...n or restart the computer If you are in Windows click Start Shut Down Restart To delete the setup password run Computer Setup 2 To delete the Power On password go to step 3 To delete the Setup password as soon as the computer is turned on press and hold the F10 key until you enter Computer Setup Press Enter to bypass the title screen if necessary If you do not press the F10 key at the appropriate ...

Страница 41: ...tlet and allow the internal system components to cool before touching ÄCAUTION When the computer is plugged in the power supply always has voltage applied to the system board even when the unit is turned off Failure to disconnect the power cord can result in damage to the system ÄCAUTION Static electricity can damage the electronic components of the computer or optional equipment Before beginning ...

Страница 42: ...an extension to Computer Setup It is only available on certain systems and only when DriveLock capable hard drives are detected DriveLock is intended for HP customers for whom data security is the paramount concern For such customers the cost of the hard drive and the loss of the data stored on it is inconsequential when compared with the damage that could result from unauthorized access to its co...

Страница 43: ...guring the 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 recommends that corporate system administrators who choose to enable DriveLock also establish...

Страница 44: ...curity Master Boot Record Security Enabled 4 Select Security 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...

Страница 45: ...when you change partitioning or formatting of the disk you may receive error messages from the disk utility or a warning from MBR Security the next time the computer is turned on or restarted To disable MBR Security complete the following steps 1 Turn on or restart the computer If you are in Windows click Start Shut Down Restart 2 As soon as the computer is turned on press and hold the F10 key unt...

Страница 46: ...tests 3 6 1 Drive Protection System The Drive Protection System DPS is a diagnostic tool built into the hard drives installed in select HP computers DPS is designed to help diagnose problems that might result in unwarranted hard drive replacement When HP computers are built each installed hard drive is tested using DPS and a permanent record of key information is written onto the drive Each time D...

Страница 47: ...ive Device 0 or Slave Drive Device 1 position 4 2 Ultra ATA Cables When installing a second device on either the primary or secondary controller you must use an industry standard 80 conductor Ultra ATA cable for optimal performance These cables have a maximum length of 18 inches and a maximum distance of 6 inches between the two devices for a two drive cable Drives operating at speeds faster than ...

Страница 48: ... to these controllers using an industry standard 80 conductor cable The industry standard 1 44 MB diskette drive has its own separate channel and is not included as a part of the maximum four drives Any drive attached to a controller must have a drive designation If only a single drive is connected to a controller and its jumper is in the cable select position it is designated as the Master Drive ...

Страница 49: ...dary controllers receive the greatest possible bandwidth The bootable ATA hard drive should always be installed on the primary controller in the Device 0 position 4 3 2 Attach Sequence Rules by Class Priority Drives should be attached in the sequence shown for optimum performance starting at position 1 If there are three or more devices two or more of which are hard drives two hard drives should b...

Страница 50: ...ach Sequence Rule to determine the best drive installation sequence Two examples of how to use the worksheet are Three device installation Four device installation General Attach Sequence Rule Sequence Description 1 The lowest class drive bootable hard drive recommended 2 If only two drives the last drive goes here otherwise the lowest class of the remaining drives 3 If only three drives attach th...

Страница 51: ... A system has four devices Ultra ATA 100 hard drive Ultra ATA 100 hard drive DVD CDR W drive and a ZIP 250 drive Using the Device Class Table in Section 4 3 1 the devices may be reidentified as Ultra ATA 100 hard drive Class 1 Ultra ATA 100 hard drive Class 1 DVD CDR W drive Class 2 ZIP 250 drive Class 4 Attach Sequence Worksheet Three Device Installation Sample Device Name Device Class Position N...

Страница 52: ...tup F10 Setup 4 4 SMART The Self Monitoring Analysis and Recording Technology SMART ATA drives for the HP Personal Computers have built in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count spin retry count and calibration ...

Страница 53: ...lities and restrictions imposed on the computer by the combinations of file and operating systems Microsoft to Drive Manufacturer Size Conversion Table Drive Size as Identified by Microsoft Operating System Drive Size as Identified by Drive Manufacturers 2 GB 2 1 GB 4 GB 4 3 GB 32 GB 34 4 GB 64 GB 68 7 GB 128 GB 137 GB 2 TB 2 199 TB Drive size calculations by drive manufacturers are bytes to the b...

Страница 54: ...4 8 360201 002 Service Reference Guide dc5000 Ultra ATA Drive Guidelines and Features ...

Страница 55: ...dherence to the procedures and precautions described in this chapter is essential for proper service Ä CAUTION When the computer is plugged into an AC power source voltage is always applied to the system board You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage 5 1 Chassis Designations 5 1 1 Microtower µT ...

Страница 56: ...5 2 360201 002 Service Reference Guide dc5000 Identifying the Chassis Routine Care and Disassembly Preparation 5 1 2 Small Form Factor SFF ...

Страница 57: ...ircuitry design and structure determine the degree of sensitivity The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories To avoid hand contact transport products in static safe containers such as tubes bags or boxes Protect all electrostatic parts and assemblies with conductive or approved containers or packaging Keep electrostatic ...

Страница 58: ...surface and properly grounded tools and equipment Use static dissipative mats foot straps or air ionizers to give added protection Handle electrostatic sensitive components parts and assemblies by the case or PCB laminate Handle them only at static free work areas Turn off power and input signals before inserting and removing connectors or test equipment Use fixtures made of static safe materials ...

Страница 59: ...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 remov...

Страница 60: ...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 con...

Страница 61: ...mage 5 4 2 Tools and Software Requirements To service the computer you 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 5 4 3 Screws The screws used in the comput...

Страница 62: ... their protective packaging until they are actually mounted in the CPU Avoid dropping drives from any height onto any surface If you are inserting or removing a hard drive turn off the computer Do not remove a hard drive while the computer is on or in standby mode Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For mo...

Страница 63: ...tware applications 3 Exit the operating system 4 Remove any diskette or compact disc from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some sy...

Страница 64: ...oval and Replacement Procedures Microtower µT Chassis 6 2 External Security Devices 6 2 1 Installing a Cable Lock The cable lock may be used to secure the computer access panel to the chassis and at the same time secure the computer to a fixed object ...

Страница 65: ...al and Replacement Procedures Microtower µT Chassis 6 2 2 Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis A padlock may also be used with a security cable to secure the computer to a fixed object I ...

Страница 66: ...panel ensure 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 gri...

Страница 67: ...Access Panel 3 To remove the front bezel press in on the two bottom tabs on the left side of the bezel 1 so that they release from the chassis 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 rema...

Страница 68: ...wer µT Chassis 4 Press down on the upper right corner of the bezel to release the hook that secures the top of the bezel to the chassis 1 Continue to rotate the bezel then push the bezel to the left to release the right side latches and rotate the bezel off the chassis from left to right 2 ...

Страница 69: ...zel 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 ...

Страница 70: ...isassembly 2 Remove the access panel Section 6 3 Access Panel 3 Remove the front bezel Section 6 4 Front Bezel 6 5 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 ...

Страница 71: ...s 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 5 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 remov...

Страница 72: ...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 3 Access Panel ÅWARNING To reduce risk of personal injury from hot surfaces allow the internal system components to cool before touching 3 Open both latches of the memory module socket 1 and insert the...

Страница 73: ...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 3 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 7 2 PCI Expansion Card ...

Страница 74: ...l 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 piece ...

Страница 75: ... 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 a...

Страница 76: ...AUTION 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 8 1 Drive Positions Drive Positions Item Description Item Description 1 Optical drive 4 Bay for optional 3 5 driv...

Страница 77: ... 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 3 Access Panel 3 Remove the front bezel Section 6 4 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 ...

Страница 78: ...eleasing 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 ...

Страница 79: ...se 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 front of the chassis under the front...

Страница 80: ... the power and data cables to the drive as shown in the following illustrations Refer to Chapter 4 Ultra ATA Drive Guidelines and Features and Section 4 3 Drive Installation Guidelines for information on attaching the cabling to get optimum performance Connecting Optical Drive Cables Connecting Diskette Drive Cables ...

Страница 81: ...ion 6 3 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 replacin...

Страница 82: ... 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 3 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 procedure ...

Страница 83: ...ss panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 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 housing...

Страница 84: ...mputer so the system board is parallel to the table to make it easier to work on Section 6 3 Access Panel 3 Remove the front I O panel assembly Section 6 10 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 removal...

Страница 85: ...nel assembly Section 6 10 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 an...

Страница 86: ...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 Reconne...

Страница 87: ...from the system board 4 Release the tension from the heatsink 1 5 Remove the retaining clips 2 6 Remove the heatsink from atop the processor 3 7 Open the ZIF socket lever 4 8 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 betw...

Страница 88: ...tion 6 3 Access Panel 3 Remove all PCI expansion boards Section 6 7 2 PCI Expansion Card 4 Disconnect all cables connected to the system board noting their location for reinstallation 5 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 as...

Страница 89: ...N 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 proper...

Страница 90: ...cement 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 3 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 ...

Страница 91: ...ne 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 3 Access Panel 4 Plug in the computer and turn on power to the computer Reset the date and...

Страница 92: ...ge 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 3 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 Set...

Страница 93: ... access panel and rotate the computer so the system board is parallel to the table to make it easier to work on Section 6 3 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 removal ...

Страница 94: ...utlet 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 3 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 to...

Страница 95: ...ting system 4 Remove any diskette or compact disc from the computer 5 Turn off the computer and any peripheral devices that are connected to it Ä CAUTION Turn off the computer before disconnecting any cables Ä CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet In some systems the cooling fan is on even wh...

Страница 96: ...ble 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 ...

Страница 97: ...oval and Replacement Procedures Small Form Factor SFF Chassis 7 2 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 ...

Страница 98: ...removing 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 s...

Страница 99: ...ezel 1 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 3 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 ...

Страница 100: ...disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 3 Computer Access Panel 3 Remove the front bezel Section 7 4 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 ...

Страница 101: ... a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 3 Computer Access Panel ÅWARNING To reduce risk of personal injury from hot surfaces allow the internal system components to cool before touching 3 Open both latches of the memory modu...

Страница 102: ...on 7 1 Preparation for Disassembly 1 Remove the computer access panel Section 7 3 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 existing card open the release latch as described in step 6 then go to step 8 4 If you are installing an expansion card in a vacant socket release the exp...

Страница 103: ... 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 ...

Страница 104: ...hen 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 replace it with a ne...

Страница 105: ... type and size of the storage device installed in the computer run Computer Setup Drive Positions Item Description Item Description 1 One standard 3 5 inch one third height bay 1 44 MB diskette drive shown 3 Internal 3 5 inch one third height bay for hard drive 2 5 25 inch drive bay for optional drives If the computer has a 1 44 MB diskette drive installed it will be configured with a diskette dri...

Страница 106: ...to 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 f...

Страница 107: ...access panel Section 7 3 Computer Access Panel 3 Remove the front bezel Section 7 4 Front Bezel 4 Raise the Easy Access drive bay to the upright position 5 Disconnect the audio signal and drive power cables from the drive The other end of the cables should remain connected to the system board 6 Make sure the drive cables are routed properly Section 7 8 2 Cable Routing 7 Return the Easy Access driv...

Страница 108: ... or 5 mm long screws as guide screws Longer screws can damage the internal components of the drive When replacing the drive transfer the four screws from the old drive to the new one The 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...

Страница 109: ...l drive 5 Make sure the drive cables are routed properly Section 7 8 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 ...

Страница 110: ...cess Panel 3 Remove the front bezel Section 7 4 Front Bezel 4 Raise the Easy Access drive bay to the upright position 5 Disconnect the audio signal and drive power cables from the drive The other end of the cables should remain connected to the system board 6 Return the Easy Access drive bay to the down position 7 Push the drive release latch 1 toward the rear of the chassis and hold 8 Slide the d...

Страница 111: ...oward 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 int...

Страница 112: ...Drive 1 Prepare the computer for disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 3 Computer Access Panel 3 Remove the front bezel Section 7 4 Front Bezel 4 Raise the Easy Access drive bay to the upright position 5 Disconnect the power cable and signal cable from the back of the drive ...

Страница 113: ...drive 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 8 2 Cable Routing before rotating the drive cage to its or...

Страница 114: ...ly 2 Disconnect the two I O device cables from the system board the front USB cable pair and the front audio cable 3 Remove the power supply from the chassis Section 7 16 Power Supply 4 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 install the housing assembly reverse the removal...

Страница 115: ...nect the power switch LED cable from the system board 3 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 4 Squeeze the switch holder retaining clips together at the front of the chassis 1 and push the switch assembly out of the chassis 2 To install the power switch assembly re...

Страница 116: ...7 PCI Expansion Card 4 Remove the AGP graphics card Section 7 7 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...

Страница 117: ...le 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 us...

Страница 118: ... Ä CAUTION Before replacing the battery it is important to back up the computer CMOS settings When the battery is removed or replaced the CMOS settings will be cleared Refer to the Troubleshooting Guide for information on backing up the CMOS settings N Batteries battery packs and accumulators should not be disposed of together with the general household waste In order to forward them to recycling ...

Страница 119: ...2 Slide the replacement battery into position positive side up 3 The battery holder automatically secures the battery in the proper position 4 Replace the computer cover or access panel 5 Plug in the computer and turn on power to the computer 6 Reset the date and time your passwords and any special system setups using Computer Setup Refer to the Computer Setup F10 Utility Guide ...

Страница 120: ... 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 you...

Страница 121: ...nk 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 proc...

Страница 122: ... 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 16 Power Supply 7 Remove the two screws that secure the speaker to the chassis 1 8 Slide the speaker towards t...

Страница 123: ... computer for disassembly Section 7 1 Preparation for Disassembly 2 Remove the computer access panel Section 7 3 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 sys...

Страница 124: ...ence Guide dc5000 Removal and Replacement Procedures Small Form Factor SFF 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 ...

Страница 125: ...tation 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 ...

Страница 126: ...eive Data Unused Unused Ethernet AUI Connector and Icon Pin Signal Pin Signal 1 2 3 4 Ground Negative AUI Differential Collision Positive AUI Differential Collision Negative AUI Differential Transmit 9 10 11 12 Positive AUI Differential Receive 12V Ground Ground 5 6 7 8 Positive AUI Differential Transmit Ground Ground Negative AUI Differential Receive 13 14 15 16 Unused Unused Unused Unused ...

Страница 127: ...nowledge Busy Paper End 16 17 18 25 Initialize Printer Select IN Signal Ground Serial Interface Powered and Non Powered Connector and Icon Pin Signal 1 2 3 Carrier Detect 12V if powered Receive Data Transmit Data 4 5 6 Data Terminal Ready Signal Ground Data Set Ready 7 8 9 Request to Send Clear to Send Ring Indicator 5V if powered USB Connector and Icon Pin Signal 1 2 3 4 5 VDC Data Data Ground Mi...

Страница 128: ...nector and Icon 1 8 miniphone Pin Signal 1 Tip Audio_Out_Left 2 Ring Audio_Out_Right 3 Shield Ground SCSI Low Voltage Differential Single Ended LVD SE Connector and Icon Pin Signal Pin Signal Pin Signal Pin Signal 1 16 17 18 19 Ground TERMPWR Reserved 40 41 42 D0 D1 D1 49 50 51 52 53 Ground TERMPW Reserved 60 61 62 MSG SEL C D 20 34 35 36 Ground D12 D13 43 44 45 D3 D4 D5 54 55 56 Ground ATN Ground...

Страница 129: ... DB0 DB1 DB2 33 34 35 36 DB7 DBP Ground Ground 41 42 43 44 ATN Ground BSY ACK 49 50 REQ Input Output External Infrared Transceiver Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Transmit Receive Ground 4 5 6 5V Mode Not Used 7 8 Not Used Not Used Monitor Connector and Icon Pin Signal Pin Signal Pin Signal 1 2 3 Red Analog Green Analog Blue Analog 6 7 8 Ground Ground Ground 11 12 13 Not ...

Страница 130: ...24 Key DMARQ Ground DIOW Ground 34 35 36 37 38 PDIAG cable detect DA0 DA2 CS1FX CS3FX 11 12 13 14 DD3 DD12 DD2 DD13 25 26 27 28 DIOR Ground IORDY CSEL 39 40 DASP Ground 20 Pin Power Connector Pin Signal Pin Signal Pin Signal Pin Signal 1 2 3 4 5 3 3 V 3 3 V GND 5 V GND 6 7 8 9 10 5 V GND POK 5 Vaux 12 V 11 12 13 14 15 3 3 V 12 V GND PSON GND 16 17 18 19 20 GND GND open 5 V 5 V Open for d300 series...

Страница 131: ...uthorized HP dealer reseller or service provider General Requirements The requirements listed below are applicable to all countries 1 The length of the power cord set must be at least 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 c...

Страница 132: ... must be HAR 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 c...

Страница 133: ...mains 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 Disab...

Страница 134: ... 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 Er...

Страница 135: ...place 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 ext...

Страница 136: ...ctioned 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 Repl...

Страница 137: ...on 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 Port Add...

Страница 138: ...e the system board 1801 Microcode Patch Error Processor not supported by ROM BIOS Upgrade BIOS to proper version 1998 Master Boot Record has been lost The previously saved copy of the MBR has been corrupted Run Computer Setup and save the MBR of the current bootable disk 1998 Master Boot Record has been changed The current MBR does not match the previously saved copy of the MBR Use extreme caution...

Страница 139: ...wnload from http www hp com and run SP5572 EXE SNZERO EXE Run Computer Setup and try to enter serial number under Security System ID then save changes ECC Multiple Bit Error Detected in Memory Module Chipset has detected more than one bad bit in a 64 bit quadword of the memory array Replace the memory module Parity Check 2 Parity RAM failure Run Computer Setup and Diagnostic utilities POST Error M...

Страница 140: ...C 8 360201 002 Service Reference Guide dc5000 POST Error Messages ...

Страница 141: ...the monitor must be plugged into the monitor connector on the source selected as the primary VGA adapter During boot the other monitor connectors are disabled and if the monitor is connected into these ports the monitor will not function You can select which source will be the default VGA source in Computer F10 Setup Press and hold any key If the system beeps then the keyboard is operating correct...

Страница 142: ...u will lose your data Computer date and time display is incorrect RTC real time clock battery may need to be replaced 1 Reset 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 n...

Страница 143: ...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 for l...

Страница 144: ...nd 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 t...

Страница 145: ...eat the drive Diskette drive cannot write to a diskette Diskette is not formatted Format the diskette Diskette is write protected Use another diskette or remove the write protection Writing to the wrong drive Check the drive letter in the path statement Not enough space is left on the diskette Use another diskette Diskette write control is enabled Use Computer Setup to check the storage security f...

Страница 146: ...oot to Diskette Diskette is not bootable Replace with a bootable diskette Diskette boot has been disabled in Computer Setup Run Computer Setup and enable diskette boot in Storage Boot Order Removable media boot has been disabled in Computer Setup Run Computer Setup and enable Removable Media Boot in Storage Storage Options Diskette MBR validation is enabled Run Computer Setup and disable Diskette ...

Страница 147: ...p and enable the Primary and Secondary IDE ATA controllers in Storage Storage Options Drive responds slowly immediately after power up Run Computer Setup and increase the POST Delay in Advanced Power On Options Nonsystem disk NTLDR missing message System is trying to start from a non bootable diskette Remove the diskette from the diskette drive Nonsystem disk NTLDR missing message continued System...

Страница 148: ... slow and fast UATA devices are on the same data cable Connect slower UATA devices to a separate data cable connected to the secondary IDE ATA controller Computer will not start Hard drive is damaged Observe the beeps and LED lights on the front of the computer See Appendix C POST Error Messages Computer seems to be locked up Program in use has stopped responding to commands 1 Attempt the normal W...

Страница 149: ...al 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 graphics c...

Страница 150: ...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 another m...

Страница 151: ... 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 ar...

Страница 152: ...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 h...

Страница 153: ...f 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 applicat...

Страница 154: ...ter 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 print...

Страница 155: ...ys 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 b...

Страница 156: ... that pins in the cable or connector are not bent down Power switch of new external device is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configuration you did not accept them Reboot the computer and follow the instructions for accepting the changes A plug an...

Страница 157: ...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 wit...

Страница 158: ... 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 Ens...

Страница 159: ...anced 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 network...

Страница 160: ...e 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 Terminat...

Страница 161: ... 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 ...

Страница 162: ... 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 start...

Страница 163: ... 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 Internet...

Страница 164: ...ct the CAT5 10 100 cable between the cable modem and the computers s RJ 45 connector If the connection is good the PC LED light on the front of the cable DSL modem will be on IP address is not configured properly Contact the ISP for the correct IP address Cookies are corrupted Windows XP 1 Select Start Control Panel 2 Double click Internet Options 3 On the General tab click the Delete Cookies butt...

Страница 165: ... 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 Troubleshoot button and follow the on sc...

Страница 166: ... None Computer in Suspend to RAM mode select models only or normal Suspend mode None Green Power LED flashes four times once per second None Computer in Suspend to Disk or Hibernate mode None Red Power LED flashes two times once every second followed by a two second pause None Processor thermal protection activated A fan may be blocked or not turning OR The heatsink fan assembly is not properly at...

Страница 167: ...tte or optical drives and expansion cards Power on the system If the system enters the POST then power off and replace one device at a time and repeat this procedure until failure occurs Replace the device that is causing the failure Continue adding devices one at a time to ensure all devices are functioning properly 4 Replace the power supply 5 Replace the system board Red Power LED flashes five ...

Страница 168: ...rear of the power supply is set to the appropriate voltage Proper voltage setting depends on your region 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 for less than 4 seconds If the hard drive LED does not turn on green then 1 Check that the unit is plugged into a working AC outlet 2 O...

Страница 169: ... Main Power HDD LED connector Speaker connector Audio connector from CD ROM Primary chassis fan connector P10 P11 P14 P16 P20 Diskette drive connector Second Audio connector Boot block write jumper Fan command fan sink header Primary IDE connector P21 P23 P24 P54 Secondary IDE connector Header for front audio panel Header for front panel USB Second serial port P70 SW50 XBT1 XMM1 XMM2 XMM4 Primary ...

Страница 170: ...E 2 360201 002 Service Reference Guide dc5000 System Board and Riser Board Reference Designators ...

Страница 171: ...s 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 modules ...

Страница 172: ...ot 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 Freq...

Страница 173: ...or 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 and...

Страница 174: ...F 4 360201 002 Service Reference Guide dc5000 Memory ...

Страница 175: ...batteries 5 8 cables 5 8 cooling fan 5 7 installation 1 1 keyboard cleaning 5 6 keyboard keys 5 6 protecting ROM 3 4 changing operating systems important information 3 7 changing password 3 11 chassis fan µT removal and replacement 6 20 SFF removal and replacement 7 23 chassis types illustrated 5 1 cleaning computer 5 5 keyboard 5 6 monitor 5 6 mouse 5 6 clearing password 3 13 cloning tools softwa...

Страница 176: ...ent 6 12 SFF removal and replacement 7 9 expansion slot cover µT removal and replacement 6 11 SFF removal and replacement 7 8 external 3 5 inch drive SFF removal and replacement 7 16 external security µT 6 2 SFF 7 2 F FailSafe Boot Block ROM 3 5 fan µT chassis removal and replacement 6 20 power supply 5 7 fan SFF chassis 7 23 fault notification 3 18 file Computer Setup heading 2 4 fingerprint iden...

Страница 177: ... 6 11 external security 6 2 front bezel removal and replacement 6 5 front I O devices removal and replacement 6 22 front I O panel removal and replacement 6 21 hard drive cable connecting 6 19 hard drive cable disconnecting 6 16 heatsink removal and replacement 6 25 memory removal and replacement 6 10 optical drive cable connecting 6 18 optical drive cable disconnecting 6 15 padlock 6 3 PCI expans...

Страница 178: ...6 25 SFF removal and replacement 7 27 protecting hard drive 3 18 protecting ROM caution 3 4 protecting software 2 17 PXE Preboot Execution Environment 3 2 R recovering system 3 5 recovery software 3 1 Remote Diagnostics Enabling Agent 2 17 Remote ROM Flash 3 4 remote setup 3 2 Remote System Installation accessing 3 2 removal and replacement µT 3 5 drive bezel 6 9 µT 5 25 drive bezel 6 8 µT access ...

Страница 179: ...xternal 3 5 inch drive removal and replacement 7 16 external security 7 2 front bezel removal and replacement 7 5 front drive bezel removal and replacement 7 6 front I O devices removal and replacement 7 20 memory removal and replacement 7 7 optical drive removal and replacement 7 13 padlock 7 3 PCI expansion card removal and replacement 7 8 power supply removal and replacement 7 29 power switch a...

Страница 180: ... warnings battery 5 8 Web sites Altiris 3 3 Diagnostics for Windows 2 13 HP 1 2 2 17 3 7 HP Client Manager 3 2 HP Proactive Notification 3 4 HP Security technology 3 18 HP support 2 13 HPQ Flash 3 4 PC Deployment 3 1 Remote Diagnostics Enabling Agent 2 17 Remote ROM Flash 3 4 ROMPaq images 3 4 Subscriber s Choice 3 4 System Software Manager 3 3 3 6 System Software Manager setup passwords 3 4 World...

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