HP Dc7100 Troubleshooting Guide

HP Dc7100 - Compaq Business Desktop Manual

HP Dc7100 manual content summary:

  • HP Dc7100 | Troubleshooting Guide - Page 1
    Troubleshooting Guide Business PCs Document Part Number: 361204-002 July 2005 This guide provides helpful hints and solutions for troubleshooting the above products as well as scenarios for possible hardware and software problems.
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    Windows, and Windows NT are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services damage to equipment or loss of information. Troubleshooting Guide Business PCs Second Edition (July 2005) First Edition (May 2004) Document Part
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    Display Problems 2-20 Solving Audio Problems 2-25 Solving Printer Problems 2-28 Solving Keyboard and Mouse Problems 2-29 Solving Hardware Installation Problems 2-32 Solving Network Problems 2-35 Solving Memory Problems 2-39 Solving Processor Problems 2-40 Troubleshooting Guide www.hp.com
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    the CMOS B-3 Using the CMOS Button B-3 Using Computer Setup to Reset CMOS B-5 C Drive Protection System (DPS) Accessing DPS Through Diagnostics for Windows C-2 Accessing DPS Through Computer Setup C-3 D Setting up Analog/Digital Audio Output Index iv www.hp.com Troubleshooting Guide
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    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 a new device. Third party devices not supported by HP may not be detected by Diagnostics for Windows. Save, print, or display the
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    Diagnostic Features Detecting Diagnostics for Windows Some computers ship with the Diagnostics for Windows preloaded, but not preinstalled. You may have installed it earlier, along with other utilities, or it may have been installed by another user. To determine whether Diagnostics for Windows is
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    the computer to complete the installation of Diagnostics for Windows. ✎ If you want to upgrade an existing version of Diagnostics for Windows installed on the computer, visit www.hp.com/support to locate and download the latest Diagnostics for Windows SoftPaq. Troubleshooting Guide www.hp.com
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    Start > HP Information Center > Diagnostics for Windows. You can also select the Diagnostics for Windows icon, located in the Control Panel, by clicking Start > Control Panel, then select Diagnostics for Windows. The screen displays the overview of the computer hardware and software. 2. For specific
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    computer audio information ■ Windows-Windows information ■ Architecture-PCI Device information ■ Resources-IRQ, I/O, and Memory Map information ■ Health-Status of system temperature and hard drives ■ Miscellaneous-CMOS, DMI, BIOS, System, Product Name, and Serial Number Troubleshooting Guide www.hp
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    , the type and number of errors, and the error code. Running Diagnostic Tests in Diagnostics for Windows To run diagnostic tests: 1. Click Start > HP Information Center > Diagnostics for Windows. You can also select the Diagnostics for Windows icon, located in the Control Panel, by clicking Start
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    Computer Diagnostic Features ❏ Custom Test-Runs only the tests you select. To select specific devices or tests, find the device in the list, then select the check ❏ The Status tab summarizes the tests run, passed, and failed during the current testing session. Troubleshooting Guide www.hp.com 1-7
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    computer with their error codes. problems yourself. 10. Click Print or save the error information in case you need to contact an authorized dealer, reseller, or service provider for assistance. 11. To exit Diagnostics for Windows, click File, then click Exit. 1-8 www.hp.com Troubleshooting Guide
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    was developed to allow resolution of problems without taking the computer offline and to assist 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
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    the computer periodically allows the user to keep a history of the configuration. This history may be useful to your service provider if the system ever encounters a problem that needs debugging. 4. To exit Configuration Record, click File, then click Exit. 1-10 www.hp.com Troubleshooting Guide
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    The Windows operating system and software can be restored to the original state that they were when you purchased the computer by using the Restore Plus! CD. See the documentation included with the Restore Plus! CD for complete instructions on using this feature. Troubleshooting Guide www.hp.com
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    , optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions. ✎ For information on specific error messages that may appear on the screen during Power-On Self-Test (POST
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    the exact problem before calling for technical support. ■ Run the Diagnostics for Windows utility. Refer to Chapter 1, "Computer Diagnostic Features" for more information. ■ Run the Drive Protection System (DPS) Self-Test in Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the
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    installed. ■ Run the Restore Plus! CD. Ä CAUTION: Running the Restore Plus! CD will erase all data on the hard drive. ✎ For sales information and warranty upgrades (Care Packs), call your local authorized service provider or dealer. Troubleshooting Guide www.hp.com 2-3
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    loss is set in Computer Setup. If it does not restart, press the power button to start the computer. ■ Reconfigure the computer after installing a non-plug and play expansion board or other option. See "Solving Hardware Installation Problems" for instructions. 2-4 www.hp.com Troubleshooting Guide
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    in Computer Setup. Ä CAUTION: When the computer is plugged into an AC power source, there is always voltage 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. Troubleshooting Guide www.hp
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    Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Documentation CD for instructions on installing a new battery be disabled (or enabled) in Computer Setup. 2-6 www.hp.com Troubleshooting Guide
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    Transfer data from the hard drive to create more space on the hard drive. Add more memory. Defragment hard drive. Restart the computer. Run virus protection program. 1. Close unnecessary applications to free up memory. 2. Add more memory. Restart the computer. Troubleshooting Guide www.hp.com 2-7
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    Troubleshooting Without Diagnostics Solving General Problems (Continued) Problem Cause Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. Processor thermal protection activated: A fan
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    board. 4. Check to see if the 5V_aux light on the system board is turned on. If it is turned on, then replace the power button harness. 5. If the 5V_aux light on the system board is not turned on, then replace the power supply. 6. Replace the system board. Troubleshooting Guide www.hp.com 2-9
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    ) not switched to correct line voltage (115V or 230V). Power supply will not turn on because of internal power supply fault. Solution Select the proper AC voltage using the selector switch. Contact an authorized service provider to replace the power supply. 2-10 www.hp.com Troubleshooting Guide
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    Troubleshooting Without Diagnostics Solving Power Supply Problems (Continued) Problem Cause Solution Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. Processor thermal protection
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    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. Contact an authorized service provider to replace the power supply. 5. Replace the system board. 2-12 www.hp.com Troubleshooting Guide
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    in the following table. ✎ You may need to reconfigure the computer when you add or remove hardware, such as an additional diskette drive. See "Solving Hardware Installation Problems" for instructions. Solving Diskette Problems Problem Cause Diskette drive light stays on. Diskette is damaged
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    1440 Open the locking device on the diskette. Enter Computer Setup and enable Legacy Diskette Write in Storage > Storage Options. In Windows XP, right-click Start, click Explore, and select letter in the path statement. Replace the diskette with a new one. 2-14 www.hp.com Troubleshooting Guide
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    Boot function in Computer Setup overrides the Boot Order enable command. Run Computer Setup and disable Network Server Mode in Security > Password Options. Run Computer Setup and enable Removable Media Boot in Storage > Storage Options > Removable Media Boot. Troubleshooting Guide www.hp.com 2-15
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    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. If this is a newly installed drive, enter Computer Setup and try adding a POST delay under Advanced > Power-On. 2-16 www.hp.com Troubleshooting Guide
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    accessed 1. Insert a bootable diskette into the diskette drive and restart the computer. 2. Check the hard drive format using Fdisk: If NFTFS formatting, use a third party reader to evaluate the drive. If FAT32 formatting, the hard drive cannot be accessed. Troubleshooting Guide www.hp.com 2-17
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    beep codes. See the Worldwide Limited Warranty for terms and conditions. Attempt the normal Windows "Shut Down" procedure. If this fails, press the power button for four or more seconds to turn off the power. To restart the computer, press the power button again. 2-18 www.hp.com Troubleshooting
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    Solving MultiBay Problems Solving MultiBay Problems Problem Cause Drive not found. You attempted to hot plug a removable hard drive that has DriveLock security enabled. (This feature supported on select models only.) MultiBay is hidden in Computer Setup. Solution Shut down Windows and turn
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    is in standby mode. Press the power button to resume from standby mode. Ä CAUTION: 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. 2-20 www.hp.com Troubleshooting Guide
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    icon and select the Settings tab. 4. Use the sliding control to reset the resolution. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Troubleshooting Guide www.hp.com 2-21
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    . Adjust the monitor brightness and contrast controls. Check that the graphics cable is securely connected to the graphics card and the monitor. Install the video drivers included in the upgrade kit. Change requested resolution. Replace the graphics card. 2-22 www.hp.com Troubleshooting Guide
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    coil to be activated when the monitor is powered on. None. It is normal for some monitors to make a clicking noise when turned on and off, when going in and out of standby mode, and when changing resolutions. Lower brightness and/or contrast settings. Troubleshooting Guide www.hp.com 2-23
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    you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP20930 or SP22333: www.hp.com/support 1. Reseat the graphics card. 2. Replace the graphics card. Use the Character Map to locate the and select the appropriate symbol. Click Start > All
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    quality slider to Best and retest the audio. Double-click the Speaker icon on the taskbar, then make sure that Mute is not selected and use the volume slider to adjust the volume. Enable the audio in Computer Setup: Security > Device Security > Audio. Troubleshooting Guide www.hp.com 2-25
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    is in standby mode. Press the power button to resume from standby mode. Ä CAUTION: 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. 2-26 www.hp.com Troubleshooting Guide
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    Audio Output" for additional information. Computer appears to be locked up while recording audio. The hard disk may be full. Before recording, make sure there is enough free space on the hard disk. You can also try recording the audio file in a compressed format. Troubleshooting Guide www.hp
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    the power cord and electrical outlet. Install the correct printer driver for the application. Reconnect all cables. Reset the printer by turning it off for one minute, then turn it back on. Check the paper tray and refill it if it is empty. Select online. 2-28 www.hp.com Troubleshooting Guide
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    the receiver over 30 cm (12 in) from a telephone, power supply, transformer, computer, other electrical device, or power cords or cables. 3. The receiver should not be placed on or inside of a metal surface. Press the power button to resume from standby mode. Troubleshooting Guide www.hp.com 2-29
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    Troubleshooting Without Diagnostics Solving Keyboard Problems (Continued) Problem Cause Solution Ä CAUTION: 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. Cursor will
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    1. Ensure that the mouse batteries are fresh. 2. Place the receiver over 30 cm (12 in) from a telephone, power supply, transformer, computer, other electrical device, or power cords or cables. 3. with a mouse cleaning kit available from most computer stores. Troubleshooting Guide www.hp.com 2-31
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    . Use Windows XP Device Manager to deselect the automatic settings for the board and choose a basic configuration that does not cause a resource conflict. You can also use Computer Setup to reconfigure or disable devices to resolve the resource conflict. 2-32 www.hp.com Troubleshooting Guide
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    DIMMs one at a time to isolate the faulty module. 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
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    Troubleshooting Without Diagnostics Solving Hardware Installation Problems (Continued) Problem Cause Solution Power LED flashes Red ten times, once every second, followed by a two second pause, and the computer beeps ten times. Bad option card. 1. Check each option card by removing the cards
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    . 1. Run Computer Setup and enable network controller. 2. Enable the network controller in the operating system via Device Manager. Check the network controller documentation for the correct driver or obtain the latest driver from the manufacturer's Web site. Troubleshooting Guide www.hp.com 2-35
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    the Network Connections applet within Windows for link status. 1. Run Computer Setup and enable network controller. 2. Enable the network controller in the operating system via Device Manager. Reinstall network drivers. See the Network & Internet Communications Guide on the Documentation CD. Disable
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    the board. Reinstall the network drivers, using the Restore Plus! CD. Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device. Contact an authorized service provider. Troubleshooting Guide www.hp.com 2-37
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    boot sequence to boot from another source. Verify Network Connectivity, that a DHCP Server is present, and that the Remote System Installation Server contains the NIC drivers for your NIC. Contact an authorized service provider. 2-38 www.hp.com Troubleshooting Guide
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    Troubleshooting Without Diagnostics Solving Memory Problems If you encounter memory problems, some common causes and solutions are listed in the following table. Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not
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    or add more memory to the computer. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving Processor Problems If you encounter processor problems, common causes and
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    and DVD Problems Problem Cause System will not boot from CD-ROM or DVD drive. Removable Media Boot is disabled in the Computer Setup utility. Network Server Mode is enabled in Computer Setup. Non-bootable CD in drive. Boot order not correct. CD-ROM or DVD devices are not detected or driver is
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    -ROM or DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device in question. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording audio CDs is difficult or impossible. Wrong or poor quality media type. 1. Try using a slower speed when recording. 2. Verify
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    Reconnect the modem. Verify the connections are correct using the quick setup documentation. Verify that the Web browser is installed and set up to work with your ISP. Plug in cable/DSL modem. You should see a "power" LED light on the front of the cable/DSL modem. Troubleshooting Guide www.hp.com
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    service is connected, the "cable" LED light on the front of the cable/DSL modem will be on.) The CAT5 UTP cable is disconnected. Connect the CAT5 UTP cable between the cable modem and the computers remember some specific information that the Web server can later retrieve.) In Windows XP: 1. Select
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    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-screen instructions. Troubleshooting Guide www.hp.com
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    the beeps and LED lights on the front of the computer. See Appendix A, "POST Error Messages" to determine possible causes. See the Restore Kit or the Worldwide Limited Warranty for terms and conditions. Use recovery diskette to scan hard drive for errors. 2-46 www.hp.com Troubleshooting Guide
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    reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set. ✎ Refer to the number listed in the warranty or in the Support Telephone Numbers guide on the Documentation CD for technical assistance. Troubleshooting Guide www.hp.com 2-47
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    30 days on a regularly scheduled basis. To establish the schedule, reconfigure the computer to the Full Boot Every x Days mode, using Computer Setup. ✎ For more information on Computer Setup, see the Computer Setup (F10) Utility Guide on the Documentation CD. Troubleshooting Guide www.hp.com A-1
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    and Resetting CMOS.") 5. If the message disappears, there may be a problem with the expansion card. 6. Replace the system board. 1. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 2. Remove expansion boards. 3. Replace the system board. A-2 www.hp.com Troubleshooting Guide
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    date and time under Control Panel. If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Documentation CD for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. Troubleshooting Guide www.hp.com A-3
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    Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Documentation CD for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. CMOS jumper may not
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    with computer turned off. 2. Replace the system board. 304-Keyboard or System Unit Error Keyboard failure. 1. Reconnect the keyboard with computer turned off. 2. Ensure that none of the keys are depressed. 3. Replace the keyboard. 4. Replace the system board. Troubleshooting Guide www.hp.com
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    , or Front Chassis Fan not Detected Chassis, rear chassis, or front chassis fan is not connected or may have malfunctioned. 1. Reseat chassis, rear chassis, or front chassis fan. 2. Reseat fan cable. 3. Replace chassis, rear chassis, or front chassis fan. A-6 www.hp.com Troubleshooting Guide
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    514-CPU or Chassis Fan not Detected CPU or chassis fan is not connected or may have malfunctioned. 1. Reseat CPU or chassis fan. 2. Reseat fan cable. 3. Replace CPU or chassis fan. 601-Diskette Controller Error Diskette controller circuitry or floppy drive circuitry incorrect. 1. Run Computer
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    Detected Both external and internal serial ports are assigned to COM2. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. A-8 www.hp.com Troubleshooting
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    same IRQ. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 1201-System Audio Address Conflict Detected Device IRQ address conflicts with another device
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    2000 or Windows XP, change "SATA Emulation" to "Separate IDE Controller" in Computer Setup. 2. If not using Windows 2000 or Windows XP, relocate the affected devices to SATA 0 or SATA 2 (if available). 3. Remove the affected devices from SATA 1 and SATA 3. A-10 www.hp.com Troubleshooting Guide
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    exceeds specification. 1. Check that computer air vents are not blocked and the processor cooling fan is running. 2. Verify processor speed selection. 3. Replace the processor. 4. Replace the system board. 1801-Microcode Patch Error Processor is not supported by ROM BIOS. 1. Upgrade BIOS to
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    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. 2. If the fan is plugged in and seated properly, but is not spinning, then replace the processor fan. A-12 www.hp.com Troubleshooting Guide
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    Action Green Power LED On. None Computer on. None Green Power LED flashes every two seconds. None Computer in Suspend to RAM mode (select models only) or normal Suspend mode. None required. Press any key or move the mouse to wake the computer. Troubleshooting Guide www.hp.com A-13
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    and seated properly, and the POST message still appears, then replace the processor fan. 4. Reseat processor heatsink and verify that the fan assembly is properly attached. See the appropriate Service Reference Guide for instructions on how to reinstall the heatsink. Correct heatsink installation is
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    two second pause. 6 Pre-video graphics For systems with a graphics card: error. 1. Reseat the graphics card. Power on the system. 2. Replace the graphics card. 3. Replace the system board. For systems with integrated graphics, replace the system board. Troubleshooting Guide www.hp.com A-15
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    10 Bad option card. 1. Check each graphics card by removing the card (one at a time if multiple cards), then power on the system to see if fault goes away. 2. Once a bad card is identified, remove and replace the bad option card. 3. Replace the system board. A-16 www.hp.com Troubleshooting Guide
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    board. 4. Check to see if the 5V_aux light on the system board is turned on. If it is turned on, then replace the power button harness. 5. If the 5V_aux light on the system board is not turned on, then replace the power supply. 6. Replace the system board. Troubleshooting Guide www.hp.com A-17
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    and Resetting CMOS This computer supports security password features, which can be established through the Computer Setup Utilities menu. This computer supports two security password features that are established through the Computer Setup Utilities menu: setup password and power-on password
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    . The IPM can be downloaded from www.hp.com/support. 5. Remove the jumper from pins 1 and 2. Place the jumper on either pin 1 or 2, but not both, so that it does not get lost. 6. Replace the computer cover or access panel. 7. Reconnect the external equipment. B-2 www.hp.com Troubleshooting Guide
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    4, replace the password jumper on pins 1 and 2, then repeat steps 6 through 8. Establish the new passwords in Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation CD for Computer Setup instructions. Clearing and Resetting the CMOS The computer's configuration memory
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    button will not clear CMOS if the power cord is connected. CMOS button ✎ For assistance locating the CMOS button and other system board components, see the Illustrated Parts Map (IPM) for that particular system. 5. Replace the computer cover or access panel. B-4 www.hp.com Troubleshooting Guide
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    not, however, force hardware rediscovery. See the Desktop Management Guide on the Documentation CD for further instructions on reestablishing passwords. For instructions on Computer Setup, see the Computer Setup (F10) Utility Guide on the Documentation CD. Troubleshooting Guide www.hp.com B-5
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    DPS when you suspect a hard drive problem. If the computer reports a SMART Hard Drive Detect Imminent Failure message, there is no need to run DPS; instead, back up the information on the hard drive and contact a service provider for a replacement hard drive. Troubleshooting Guide www.hp.com C-1
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    Select the specific drives to Code 1 or 2. ■ Test Failed. Drive Replacement Recommended. Completion Code 3 through 14. If the test failed, the completion code should be recorded and reported to your service provider for help in diagnosing the computer problem. C-2 www.hp.com Troubleshooting Guide
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    Code 0. ■ Test Aborted. Completion Code 1 or 2. ■ Test Failed. Drive Replacement Recommended. Completion Code 3 through 14. If the test failed, the completion code should be recorded and reported to your service provider for help in diagnosing the computer problem. Troubleshooting Guide www.hp
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    the "+" next to Audio Devices to expand it. 7. Highlight the appropriate driver by clicking it. 8. Click Properties. 9. Click Settings. 10. Change the Output Mode to the desired setting. 11. Click OK to close the Properties panel. 12. Close the Control Panel. Troubleshooting Guide www.hp.com D-1
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    D-1 audio problems 2-25 B battery, replacing 2-6 beep codes A-13 blank screen 2-20 booting options Full Boot A-1 Quick Boot A-1 C CD-ROM or DVD problems 2-41 CMOS button B-3 clearing and resetting B-3 Configuration Record Utility installing 1-10 overview 1-9 running 1-10 Customer Support 2-2, 2-47
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    2-46 processor problems 2-40 Q Quick Boot A-1 R resetting password jumper B-1 RTC battery A-4 S security password B-1 setup password B-1 software protecting 1-11 restoring 1-11 software problems 2-46 system board, error codes A-2 W Wake-on-LAN feature 2-35 Index-2 www.hp.com Troubleshooting Guide
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Troubleshooting Guide
Business PCs
Document Part Number: 361204-002
July 2005
This guide provides helpful hints and solutions for troubleshooting
the above products as well as scenarios for possible hardware and
software problems.