Compaq dc7100 Troubleshooting Guide

Compaq dc7100 - Convertible Minitower PC Manual

Compaq dc7100 manual content summary:

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    Troubleshooting Guide Business Desktops Document Part Number: 361204-001 May 2004 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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    -DOS, Windows, and Windows NT are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are set damage to equipment or loss of information. Troubleshooting Guide Business Desktops First Edition (May 2004) Document Part Number: 361204-001
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    Display Problems 2-19 Solving Audio Problems 2-24 Solving Printer Problems 2-27 Solving Keyboard and Mouse Problems 2-28 Solving Hardware Installation Problems 2-30 Solving Network Problems 2-33 Solving Memory Problems 2-37 Solving Processor Problems 2-38 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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    party devices not supported by HP may not be detected by Diagnostics for Windows. Save, print, or display the information generated by the utility. You should run tests and have the printed report available before placing a call to the Customer Support Center. Troubleshooting Guide www.hp.com 1-1
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    Record and Diagnostics for Windows are included, the Diagnostics for Windows utility is installed. ❏ If icons for Configuration Record and Diagnostics for Windows are not included, the Diagnostics for Windows utility may be loaded, but not installed. 1-2 www.hp.com Troubleshooting Guide
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    following Web site: www.hp.com/support The following operation is required only if the diagnostics program software has been loaded on the hard drive but not installed. 1. Close any Windows applications. 2. Install the Diagnostics for Windows utility: ❏ In Windows XP, select Start > Software Setup
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    following options: Detailed Report (All Categories), Summary Report (All Categories), or Current Category. Click OK to save the report you selected. 5. To exit Diagnostics for Windows, click File, and then click Exit. 1-4 www.hp.com Troubleshooting Guide
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    and 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.com
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    window lists the device being tested, 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 Mode or Unattended Mode. 1-6 www.hp.com Troubleshooting Guide
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    Computer Diagnostic Features ❏ Custom Test-Runs only the tests you select. To select specific complete. 5. Click the Begin Testing button at the bottom of the window. Test Status is displayed, showing the progress and result of each test 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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    service cases. The Configuration Record gathers information automatically on the hardware and operating system software to deliver a comprehensive view of the system. It gathers information on such items as the ROM, asset tag, processor, physical drives, PCI devices, memory, graphics, operating
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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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    Computer Diagnostic Features 1-12 www.hp.com Troubleshooting Guide
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    2 Troubleshooting Without Diagnostics This chapter provides information on how to identify and correct minor problems, such as diskette drive, hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter
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    ." ■ Refer to the comprehensive online technical support at www.hp.com/support. ■ Refer to the following "Helpful Hints" section in this guide. ■ Run the Restore Plus! CD. Ä CAUTION: Running the Restore Plus! CD will erase all data on the hard drive. 2-2 www.hp.com Troubleshooting Guide
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    software that was recently 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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    . First, reset the date and time under Control Panel (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, or contact an authorized
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    Troubleshooting Without Diagnostics Solving General Problems (Continued) Problem Cause Cannot remove computer cover or access panel. Smart Cover Lock, featured on some computers, is locked. Poor performance is experienced. Processor is hot. Hard drive is full. Low on memory. Hard drive
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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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    Troubleshooting Without Diagnostics Solving General Problems (Continued) Problem Cause System does not power on and the LEDs on the front of the computer are not flashing. System unable to power on. Solution Press and hold the power button for less than 4 seconds. If the hard drive LED turns
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    seated or installed. 3. If fan is plugged in and seated properly, but is not spinning, then replace the processor fan. 4. Reseat processor heatsink and verify that the fan assembly is properly attached. 5. Contact an authorized reseller or service provider. 2-10 www.hp.com Troubleshooting Guide
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    Troubleshooting Without Diagnostics Solving Power Supply Problems (Continued) Problem Cause Solution Power LED flashes Red four times, once every second, followed by a two second pause, and the computer beeps four times. Power failure (power supply is overloaded). 1. Check that the voltage
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    Windows Explorer select the disk (A) drive. 2. Right-click the drive letter and select Format. 3. Select the desired options, and click Start to begin formatting the diskette. Diskette is write-protected. Use another diskette or remove the write protection. 2-12 www.hp.com Troubleshooting Guide
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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 a drive. Select File > Properties > Tools. Under Error-checking, click Check Now. Check the type of drive that
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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. 2-14 www.hp.com Troubleshooting Guide
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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. Troubleshooting Guide www.hp.com 2-15
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    . Replace the MBR image. 3. If the hard drive is still inaccessible after booting to a diskette and MBR Security is enabled, you may try restoring the previously saved MBR image. To do so, enter Computer Setup and select Security > Restore Master Boot Record. 2-16 www.hp.com Troubleshooting Guide
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    attached as Primary Device 0. If attempting to boot from a SATA hard drive, ensure it is attached to SATA 0. Enter Computer Setup and select Storage > Boot Order and ensure the bootable hard drive's controller is listed immediately under the Hard Drive entry. Troubleshooting Guide www.hp.com 2-17
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    Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Parallel ATA (PATA) hard drive does not perform optimally. You are using the wrong cable for the drive type. Computer will not start. Hard drive is damaged. Computer seems to be locked up. Program in
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    Computer 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. Troubleshooting Guide www.hp
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    computer beeps five times. Pre-video memory error. Solution If the computer system has both an integrated graphics connector and an add-in graphics card connector, plug the monitor cable into the graphics memory with HP memory. 4. Replace the system board. 2-20 www.hp.com Troubleshooting Guide
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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. Troubleshooting Guide www.hp.com 2-21
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    Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem monitor cable is securely connected to the computer. 2. In a two-monitor system or the documentation that came with the monitor for instructions. None. It is normal for the degaussing coil hp.com Troubleshooting Guide
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    /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 Programs > Accessories > System Tools > Character Map. You can copy the symbol from the Character Map into a document. Troubleshooting Guide
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    or headphones. Software volume control is turned down. Audio is hidden in Computer Setup. Solution Shut down all open processor-intensive applications. In Windows XP: 1. From the Control Panel, select Sounds and Audio Devices. 2. On the Audio tab, select a device from the Sound Playback list
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    Computer 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. Troubleshooting Guide www.hp
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    to manually switch the audio signal 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. 2-26 www.hp.com Troubleshooting Guide
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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. Troubleshooting Guide www.hp.com 2-27
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    Solving Keyboard Problems Problem Cause Solution Keyboard commands and typing are not recognized by the computer. Keyboard connector is not properly connected. 1. On the Windows Desktop, click Start key can be disabled (or enabled) in Computer Setup. 2-28 www.hp.com Troubleshooting Guide
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    properly plugged into the back of the computer. Shut down the computer using the keyboard. 1. Press the Ctrl and Esc keys at the same time (or press the Windows logo key) to display the Start menu with a mouse cleaning kit available from most computer stores. Troubleshooting Guide www.hp.com 2-29
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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. 2-30 www.hp.com Troubleshooting Guide
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    Troubleshooting Without Diagnostics Solving Hardware Installation Problems (Continued) Problem Cause Solution Computer will not start. Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. Review the documentation that came with the system to
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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 card. 3. Replace the system board. 2-32 www.hp.com Troubleshooting Guide
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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 2-33
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    load and 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
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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 2-35
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    -standard NIC, or change the 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. 2-36 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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    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. 1. Check to see that the processor is present. 2. Reseat the processor. 2-38 www.hp.com Troubleshooting Guide
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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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    the CD-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
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    in Windows XP. The drive letter after the last physical drive is not available. The computer boots to DOS after making a bootable Drive Key. Drive Key is bootable. Solution Change the default drive letter for the Drive Key in Windows XP. Install the Drive Key only after the operating system
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    small piece of information that a Web server can store temporarily with your Web browser. This is useful for having your browser remember some specific information that the Web server can later retrieve.) In Windows XP your ISP and launch the desired program. 2-42 www.hp.com Troubleshooting Guide
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    , 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 2-43
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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. 2-44 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 2-45
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    Troubleshooting Without Diagnostics 2-46 www.hp.com Troubleshooting Guide
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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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    computer will beep once after a POST text message is displayed on the screen. Numeric Codes and Text Messages Code CMOS.") 5. If the message disappears, there may be a problem with the expansion card. 6. Replace the system board. 1. 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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    has been added, test using HP-only memory. 4. Verify proper memory module type. 201-Memory Error RAM failure. 1. Run Computer Setup or Windows utilities. 2. Ensure memory modules are correctly installed. 3. Verify proper memory module type. 4. Remove and replace the memory module(s) one at a time
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    Configuration Warning A specific error has occurred in a memory device installed in the identified socket. 1. Verify proper memory module type. 2. Try another memory socket. 3. Replace memory module if problem persists. 219-ECC Memory Module Detected ECC Modules not supported on this Platform
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    Image Corrupted Splash Screen image has Install latest version of ROMPaq to restore errors. image. 511-CPU, CPUA, or CPUB Fan not Detected CPU fan is not connected or may have malfunctioned. 1. Reseat CPU fan. 2. Reseat fan cable. 3. Replace CPU fan. A-6 www.hp.com Troubleshooting Guide
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    Run Computer Setup and check the configuration in Advanced > Onboard Devices. 660-Display cache is detected unreliable Integrated graphics controller display cache is not working properly and will be disabled. Replace system board if minimal graphics degrading is an issue. Troubleshooting Guide
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    from motherboard. Front audio harness has been detached or unseated from motherboard. Front USB harness has been detached or unseated from motherboard. Riser and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. A-8 www.hp.com Troubleshooting Guide
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    with another device. Enter Computer Setup and reset the IRQ in Advanced > Onboard Devices. 1203-Game Port Address Conflict Detected Device IRQ address conflicts with another device. Enter Computer Setup and reset the IRQ in Advanced > Onboard Devices. Troubleshooting Guide www.hp.com A-9
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    .) 1. Determine if hard drive is giving correct error message. Enter Computer Setup and run the Drive Protection System test under Storage > DPS Self-test. 2. Apply hard drive firmware patch if applicable. (Available at www.hp.com/support.) 3. Back up contents and replace hard drive. 1785-Multibay
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    2. 1800-Temperature Alert Internal temperature 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. Troubleshooting Guide www.hp.com A-11
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    ) Code/Message Probable Cause Recommended Action 1801-Microcode Patch Error Processor is not supported by ROM BIOS. 1. Upgrade BIOS to proper version. 2. Change the processor. 1998-Master Boot Record has been Lost The previously saved copy of the MBR has been corrupted. Run Computer Setup
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    keyboard. Parity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities. System will not boot without fan CPU fan not installed or disconnected in VSFF chassis. 1. Open hood, press the Power button, and see if the processor fan spins. If the processor fan is not spinning, make
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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. A-14 www.hp.com Troubleshooting Guide
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    reseller or service provider. Red Power LED 3 flashes three times, once every second, followed by a two second pause. Processor not installed (not an indicator of bad processor). 1. Check to see that the processor is present. 2. Reseat the processor. Troubleshooting Guide www.hp.com A-15
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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. A-16 www.hp.com Troubleshooting Guide
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    Audible Codes (Continued) Activity Beeps 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. Troubleshooting Guide www.hp
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    Codes (Continued) Activity Beeps Possible Cause Recommended Action System does not power on and LEDs are not flashing. None System unable to power on. Press and hold the power button for less than 4 seconds. If the hard drive 6. Replace the system board. A-18 www.hp.com Troubleshooting Guide
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    to back up the computer CMOS settings before resetting them in case they are needed later. Back up is easily done through Computer Setup. See the Computer Setup (F10) Utility Guide on the Documentation CD for information on backing up the CMOS settings. Troubleshooting Guide www.hp.com B-1
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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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    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 (CMOS) stores password information and information about the
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    up the computer CMOS settings before resetting them in case they are needed later. Back up is easily done through Computer Setup. See the Computer Setup (F10) Utility Guide on the (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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    Password Security and Resetting CMOS B-6 www.hp.com Troubleshooting Guide
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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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    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. 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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    Drive Protection System (DPS) C-4 www.hp.com Troubleshooting Guide
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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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    Setting up Analog/Digital Audio Output D-2 www.hp.com Troubleshooting Guide
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    problems 2-6 H hard drive problems 2-15 hardware installation problems 2-30 helpful hints 2-4 I Internet access problems 2-41 J jumper settings 2-16 K keyboard error code A-5 solving problems 2-28 testing 2-4 L LEDs blinking power A-14 blinking PS/2 keyboard A-14 Troubleshooting Guide www.hp
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    27 problems audio 2-24 CD-ROM and DVD 2-39 diskette 2-12 display 2-19 Drive Key 2-41 general 2-6 hard drive 2-15 installing hardware 2-30 Internet access 2-41 keyboard 2-28 memory 2-37 minor 2-4 mouse 2-29 MultiBay 2-18, A-10 network 2-33 optical drives 2-39 power supply 2-10 printer 2-27 processor
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Troubleshooting Guide
Business Desktops
Document Part Number: 361204-001
May 2004
This guide provides helpful hints and solutions for troubleshooting
the above products as well as scenarios for possible hardware and
software problems.