HP Dx7500 Troubleshooting Guide

HP Dx7500 - Compaq Business Desktop Manual

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  • HP Dx7500 | Troubleshooting Guide - Page 1
    Troubleshooting Guide - dx7500 Models HP Compaq Business PCs
  • HP Dx7500 | Troubleshooting Guide - Page 2
    Windows, and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. The only warranties for HP products and services Hewlett-Packard Company. Troubleshooting Guide HP Compaq Business PCs dx7500 Models First Edition (August
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    About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set
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    iv About This Book ENWW
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    the Software ...5 HP Backup and Recovery Manager ...6 2 Troubleshooting Without Diagnostics Safety and Comfort ...7 Before You Call for Technical Support 7 Helpful Hints ...8 Solving General Problems ...10 Solving Power Problems ...13 Solving Diskette Problems ...14 Solving Hard Drive Problems
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    Interpreting POST Audible Codes ...43 Resetting the Password Jumper ...44 Resetting the CMOS Jumper ...45 Contacting Customer Support ...46 Index ...47 vi ENWW
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    click Next. 3. Follow the instructions in the wizard to create a Recovery Disc Set. 4. Use Windows Explorer to search the Recovery Disc Set for the CD with the compaq\hpdiags directory. 5. While the computer is on, insert the CD into an optical drive on the computer. ENWW HP Insight Diagnostics 1
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    does not boot to the CD in the optical drive, you may need to change the boot order in the Computer Setup (F10) utility so that the system attempts to boot to the optical drive before booting to the hard drive. Refer to the Computer Setup (F10) Utility Guide for more information. 8. Select the
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    The Custom Test mode allows you to specifically select which devices, tests, and test parameters are run. For each test type, there are two test modes to choose from: ● Interactive Mode-Provides maximum control over the testing process. The diagnostic software will prompt you for input during tests
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    and Printing Information in HP Insight Diagnostics You can save the information displayed in the HP Insight Diagnostics Survey and Log tabs to a diskette or a USB 2.0 flash drive (64MB or higher). You can not save to the hard drive. The system will 4 Chapter 1 Computer Diagnostic Features ENWW
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    drive. Downloading the Latest Version of HP Insight Diagnostics 1. Go to http://www.hp.com. 2. Click the Support & Drivers link. 3. Select Download drivers and software (and firmware). 4. Enter your product number (for example, dx7500) in the text box and press the Enter key. 5. Select your specific
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    on the C: drive and creates a Recovery Partition. Recovery Points and file backups can be copied to CD or DVD discs, while all backups can be copied to network or secondary hard disks. HP highly recommends that you create a Recovery Disc Set immediately before using the computer and schedule regular
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    to isolate the exact problem before calling for technical support. ● Run the HP diagnostic tool. ● Run the hard drive self-test in Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information. ● Listen for beeps from the computer. The beeps are error codes that will help you
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    on the hard drive. Be sure to back up all data files before running the restore process. NOTE: For sales information and warranty upgrades (Care Packs), call your local authorized service provider or dealer. Helpful Hints If you encounter problems with the computer, monitor, or software, see the
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    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 on page 29 for instructions. ● Be sure that all the needed device drivers have been installed. For
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    life of the RTC battery. 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 for instructions on installing a new battery, or contact an authorized
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    , power loss, or computer malfunction. Order PN 166527-001 for the wrenchstyle key or PN 166527-002 for the screwdriver bit key. Poor performance is experienced. Cause Processor is hot. Hard drive is full. Low on memory. Hard drive fragmented. Program previously accessed did not release reserved
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    in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. System does not power on. Cause System unable to power on. Solution Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, then: 1. Check
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    not switched to correct line voltage (115V or 230V). Power supply will not turn on because of internal power supply Contact an authorized service provider to replace the power fault. supply. Computer powered off automatically. Cause Processor thermal protection activated: A fan may be blocked or
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    the computer when you add or remove hardware, such as an additional diskette drive. See Solving Hardware Installation Problems on page 29 for instructions. Table 2-3 Solving Diskette Problems Diskette drive light stays on. Cause Solution Diskette is damaged. In Microsoft Windows XP, right
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    inserted in the drive. Spacebar. The computer should start up. Diskette error has occurred. Restart the computer by pressing the power button. Cannot Boot to Diskette. Cause Diskette is not bootable. Diskette boot has been disabled in Computer Setup. Solution Replace with a bootable diskette
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    Solving Hard Drive Problems Table 2-4 Solving Hard Drive Problems Hard drive error occurs. Cause Hard disk has bad sectors or has failed. Solution 1. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check
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    up. Cause Program in use has stopped responding to commands. Solution 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. ENWW Solving Hard Drive Problems 17
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    software is used to safely eject the card. Solution Open My Computer (Windows XP) or Computer (Windows Vista), right-click on the corresponding drive icon, and select Eject. Then pull the card out of the slot. NOTE: Never remove the card when the green LED is flashing 18 Chapter 2 Troubleshooting
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    Problems (continued) After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer was just installed into the computer and you are turning the reader and the available ports, and then recognize the PC on for the first time.
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    cable into the graphics card connector on the back of the computer. Monitor settings in the computer are not compatible with the 1. In Windows XP Control Panel, double-click the Display monitor. icon and select the Settings tab. Monitor is configured to use an input that is not active. In
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    Solution Pre-video memory error. 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. Blank screen and the computer emits two short beeps then one long beep followed by
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    that the computer power is off while connecting the video cable. "Out of Range" displays on screen. Cause Solution Video resolution and refresh rate are set higher than what the Restart the computer and enter Safe Mode. Change the monitor supports. settings to a supported setting then restart
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    graphics card. 2. Select the monitor's Auto-Adjustment option in the monitor's on-screen display menu. Manually synchronize the Clock and Clock Phase onscreen display functions. Graphics card is not seated properly or is bad. 1. Reseat the graphics card. 2. Replace the graphics card. Certain
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    Solving Audio Problems Sound cuts in and out. Cause Solution Processor resources are being used by other open applications. Direct sound latency, common in many media player applications. Shut down all open processor-intensive applications. In Windows XP only: 1. From the Control Panel, select
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    output connector is for powered audio devices front of the computer. and is not designed for headphone use. Computer appears to be locked up while recording audio. Cause Solution The hard disk may be full. Before recording, make sure there is enough free space on the hard disk. You can also
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    Problems driver. If you are on a network, you may not have made the connection Make the proper network power cord and electrical outlet. Printer prints garbled information. Cause The correct printer driver for the application is not installed. The cables may not be connected properly. Printer memory
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    Problems Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. 1. On the Windows XP Desktop, click Start > Shut Down. On the Windows Vista Desktop the power button for more than four seconds. Otherwise, the computer will
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    Problems (continued) Mouse does not respond to movement or is too slow. Cause Mouse may need cleaning. Mouse may need repair. Computer hold down the power button for more than four seconds. Otherwise, the computer will shut down computer stores. 28 Chapter 2 Troubleshooting Without Diagnostics ENWW
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    are using the correct memory modules and to verify the proper installation. NOTE: DIMM 1 must always be installed. 2. Listen for beeps from the computer. Beeps are codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. ENWW Solving Hardware Installation
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    a DIMM. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. NOTE: DIMM 1 must always be installed. 3. Replace third-party memory with HP memory. 4. Replace the system board. The computer emits two short beeps then one long beep followed by a three
  • HP Dx7500 | Troubleshooting Guide - Page 37
    Wake-on-LAN in Windows XP: 1. Select Start > Control Panel. 2. Double-click Network Connections. 3. Double-click Local Area Connection. 4. Click Properties. 5. Click Configure. 6. Click the Power Management tab, then select the check box to Allow this device to bring the computer out of standby
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    the network controller. Network controller stops working without apparent cause. Cause Solution The files containing the network drivers are corrupted. Reinstall the network drivers, using the Recovery Disc Set created from the hard drive's Recovery Partition. 32 Chapter 2 Troubleshooting
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    NIC, or change the boot standard specifications. sequence to boot from another source. Cannot connect to network server when attempting Remote System Installation. Cause Solution The network controller is not configured properly. Verify Network Connectivity, that a DHCP Server is present
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    CAUTION: Power may still be supplied to the DIMMs when the computer is turned off. To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM. For those systems that support ECC memory, HP does not support mixing
  • HP Dx7500 | Troubleshooting Guide - Page 41
    Table 2-13 Solving Memory Problems (continued) The computer emits one short beep then one long beep followed by a three second pause. Cause Solution Memory is installed incorrectly or is bad. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3.
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    cause is a hardware problem. The device is attached to a SATA port that has been disabled Run the Computer Setup utility and ensure SATA1 in Computer Setup. Controller is Enabled in the Advanced menu. CD-ROM or DVD devices are not detected or driver is not loaded. Cause Solution Drive is not
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    . CD or DVD disc is dirty. Clean CD or DVD with a CD cleaning kit, available from most computer stores. Windows does not detect the CD-ROM or DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording
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    in the "Replicating the Setup" section of the Service Reference Guide. The computer boots to DOS after making a bootable flash drive. Cause Solution Flash drive is bootable. Install the flash drive only after the operating system boots. 38 Chapter 2 Troubleshooting Without Diagnostics ENWW
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    the computer. If the USB device requires AC power, be sure one end is connected to the device and one end is connected to a live outlet. 1. Install the correct driver for the device. 2. You might need to reboot the computer. 1. If possible, replace the cable. 2. Restart the computer. 1. Replace the
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    specific information that the Web server can later retrieve.) Windows Vista 1. Select Start > Control Panel. 2. Click Network and Internet. 3. Click Internet Options. 4. In the Browsing history section on the General tab, click the Delete button. 5. Click the Delete cookies button. Windows XP
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    Table 2-17 Solving Internet Access Problems (continued) Internet takes too long to download Web sites. Cause Solution Modem is not set up properly. Verify that the modem is connected and communicating properly. Windows XP 1. Select Start > Control Panel. 2. Double-click System. 3. Click the
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    for terms and conditions. Computer will not continue after HP logo screen has appeared. Cause Solution System files may be damaged. Use recovery diskette to scan hard drive for errors. "Illegal Operation has Occurred" error message is displayed. Cause Solution Software being used is not
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    , replace the system board. 3 short beeps and 1 long beep followed by a three second pause CPU configuration error or invalid CPU 1. detected before graphics card initialized. 2. Upgrade the BIOS to proper version. Change the processor. 1 short beep followed by a one No legacy floppy drive or
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    system. The IPSM can be downloaded from http://www.hp.com/ support. 5. Remove the jumper from pins 3 and 5. Place the jumper on pins 1 and 3. 6. Replace the computer cover or access panel. 7. Reconnect the external equipment. 8. Plug in the computer and turn on power. Allow the operating system to
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    7. Replace the computer cover or access panel. 8. Reconnect the external devices. 9. Plug in the computer and turn on power. NOTE: Use Computer Setup to reset any special system setups along with the date and time. For instructions on Computer Setup, see the Computer Setup (F10) Utility Guide. ENWW
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    the computer to an authorized 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 for technical assistance. 46 Chapter 2 Troubleshooting Without
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    comfort 7 software backing up 5 problems 42 W Wake-on-LAN feature 31 O optical drive problems 36 P password resetting jumper 44 POST error codes 43 power problems 13 printer problems 26 problems audio 24 CD-ROM or DVD 36 diskette 14 flash drive 38 front panel 39 general 10 hard drive 16 hardware
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Troubleshooting Guide - dx7500 Models
HP Compaq Business PCs