Compaq dx7500 Troubleshooting Guide

Compaq dx7500 - Microtower PC Manual

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  • Compaq dx7500 | Troubleshooting Guide - Page 1
    Troubleshooting Guide - dx7500 Models HP Compaq Business PCs
  • Compaq 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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    Media Card Reader Problems 18 Solving Display Problems ...20 Solving Audio Problems ...24 Solving Printer Problems ...26 Solving Keyboard and Mouse Problems 27 Solving Hardware Installation Problems 29 Solving Network Problems ...31 Solving Memory Problems ...34 Solving CD-ROM and DVD 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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    Select Create a set of recovery discs (Recommended) and 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
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    in the computer. This includes memory slots on the system board and any memory modules installed. Miscellaneous-Shows HP Insight Diagnostics version information, computer configuration memory (CMOS) information, system board data, and system management BIOS data. Storage-Shows information about
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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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    error Message and a Recommended Repair action that should help solve the problem. To find an error code description quickly, enter the code in the run. Saving and Printing Information in HP Insight Diagnostics You can save the information displayed in the HP Insight Diagnostics Survey and Log tabs
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    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 computer model. 6. Select your OS. 7. Click
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    CD or DVD discs, while all backups can be copied to network or secondary hard disks. HP highly HP Backup and Recovery Manager User Guide by selecting Start > HP Backup and Recovery > HP Backup and Recovery Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support
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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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    number, product ID number, and monitor serial number before calling. ● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was recently added to your system. ● Remove any software that was recently installed. ● Restore the system from the Recovery Disc Set
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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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    the Smart Cover Lock using Computer Setup. The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction. Order PN 166527-001 for the wrenchstyle key or PN
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    that the power button harness is properly connected to the system board. 3. Check that both power supply cables are properly connected to the system board. 4. Replace the power button harness. 5. Replace the power supply. 6. Replace the system board. 12 Chapter 2 Troubleshooting Without Diagnostics
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    and solutions for power problems are listed in the following table. Table 2-2 Solving Power Problems Power supply shuts down intermittently. Power supply will not turn on because of internal power supply Contact an authorized service provider to replace the power fault. supply. Computer powered
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    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 Setup. Solution Reseat diskette drive data and power cable. Reseat the drive. Run the Troubleshooting Without Diagnostics ENWW
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    A problem has occurred with a disk transaction. Cause Solution The directory structure is bad, or there is a problem with a file. In Microsoft Windows XP, . Diskette error has occurred. Restart the computer by pressing the power button. Cannot Boot to Diskette. Cause Diskette is not bootable
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    , check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. The device is attached to a SATA port that has been disabled Run the Computer Setup utility and ensure SATA1 in
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    connector labeled SATA 0. Bootable hard drive's controller is not listed first in the Boot 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
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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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    Table 2-5 Solving Media Card Reader Problems (continued) After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer. Cause Solution The operating system needs time to recognize the device if the Wait a few seconds so that
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    Problems Blank screen (no video). power button for more than four seconds. Otherwise, the computer will shut card connector, plug the monitor 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
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    controller was upgraded, the correct graphics Install the video drivers included in the upgrade kit. drivers may not be loaded. Monitor is not capable of displaying requested resolution. Change requested resolution. Graphics card is bad. Replace the graphics card. ENWW Solving Display Problems
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    . Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may need adjustment. video cable is disconnected. Connect the video cable between the monitor and computer. CAUTION: Ensure that the computer power is off while connecting the video
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    Problems 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 typed symbols do not appear correct. Cause Solution The font you are using does not support
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    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 Sounds and Audio Devices. 2. On the Audio tab, select a device from the Sound Playback list. 3. Click the
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    Audio Problems (continued) Sound does not come out of the speaker or headphones. Cause Solution Computer is in standby mode. Press the power standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data
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    following table. Table 2-8 Solving Printer Problems Printer will not print. Cause Solution 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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    is not properly connected. 1. On the Windows XP Desktop, click Start > Shut Down. On the Windows Vista Desktop, click Start, click the arrow on 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 any unsaved data.
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    Table 2-10 Solving Mouse Problems (continued) Mouse does not respond 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 any unsaved data. 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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    with HP memory. 4. Replace the system board. The computer emits two short beeps then one long beep followed by a three second pause. Cause Solution Graphics card is not seated properly or is bad, or system board For systems with a graphics card: is bad. 1. Reseat the graphics card. Power on
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    functioning. Cause Solution Wake-on-LAN is not enabled. To enable 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
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    device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status. Network controller is disabled. 1. Run Computer Setup and enable network controller in Advanced > Onboard LAN. 2. Enable the network controller in the operating
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    other end of the cable is securely attached to the correct device. The network controller is defective. Contact an authorized service provider. New network card will not boot. Cause Solution New network card may be defective or may not meet industry- Install a working, industry-standard NIC
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    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 ECC and non-ECC memory. Otherwise, the computer will not boot the operating system. Table 2-13 Solving Memory Problems System will not
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    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. Replace third-party memory with HP memory. 4. Replace the system board. ENWW Solving Memory Problems 35
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    , the probable 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
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    CD-ROM and DVD Problems (continued) type of media played, such as audio or video. Wait at least 30 seconds to let the DVD-ROM drive determine the type of media the device. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording or copying CDs is difficult or impossible.
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    Drive Problems USB flash drive is not seen as a drive letter in Windows. letter for the flash drive in Windows. USB flash drive not found ( power-up. Ensure the device is fully inserted into the USB port before applying power Setup" section of the Service Reference Guide. The computer boots to
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    in the following table. Table 2-16 Solving Front Panel Component Problems A USB device, 1394 device, headphone, or microphone is not Solution Device is not properly connected. The device does not have power. The correct device driver is not installed. The cable from the device to the computer
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    "PC" 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
  • Compaq dx7500 | Troubleshooting Guide - Page 48
    . ● Be sure that all the needed device drivers have been installed. ● If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following
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    . 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 optical drive second pause
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    , see the Illustrated Parts & Service Map (IPSM) for that particular system. The IPSM can be downloaded from http://www.hp.com/ support. 5. Remove the jumper from to the Computer Setup (F10) Utility Guide for Computer Setup instructions. 44 Chapter 2 Troubleshooting Without Diagnostics ENWW
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    power cord is connected. NOTE: The CMOS jumper is blue so that it can be easily identified. For assistance locating the CMOS jumper and other system board components, see the Illustrated Parts & Service Map (IPSM) for that particular system. The IPSM can be downloaded from http://www.hp.com/support
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    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 Diagnostics ENWW
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    45 password 44 K keyboard problems 27 M Media Card Reader problems 18 memory problems 34 monitor problems 20 mouse problems 27 N network problems 31 mouse 27 network 31 power 13 printer 26 software 42 S safety and comfort 7 software backing up 5 problems 42 W Wake-on-LAN feature 31 O optical drive
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Troubleshooting Guide - dx7500 Models
HP Compaq Business PCs