Dell XPS 710 Uživatelský manuál Strana 97

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Advanced Troubleshooting
Dell™XPS™710Owner'sManual
Diagnostic Lights
Dell Diagnostics
Drivers
Using Microsoft®Windows®XP System Restore
Resolving Software and Hardware Incompatibilities
Reinstalling Microsoft®Windows®XP
Diagnostic Lights
To help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the front panel (see Front View). When the computer starts normally,
the lights flash before turning off. If the computer malfunctions, the sequence of the lights help to identify the problem.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTE: After the computer completes POST, all four lights turn off before booting to the operating system.
LightPattern
Problem Description
Suggested Resolution
The computer is in a normal off
condition or a possible pre-BIOS
failure has occurred.
The diagnostic lights are not lit
after the system successfully
boots to the operating system.
l Plug the computer into a working electrical outlet (see Power Problems).
l If the problem persists, contact Dell (see Contacting Dell).
A possible processor failure has
occurred.
l Reseat the processor (see Processor).
l If the problem persists, contact Dell (see Contacting Dell).
Memory modules are detected,
but a memory failure has
occurred.
l If two or more memory modules are installed, remove the modules (see Removing Memory), then
reinstall one module (see Installing Memory) and restart the computer. If the computer starts
normally, continue to install additional memory modules (one at a time) until you have identified a
faulty module or reinstalled all modules without error.
l If available, install working memory of the same type into your computer (see Installing Memory).
l If the problem persists, contact Dell (see Contacting Dell).
A possible graphics card failure
has occurred.
l Reseat any installed graphics cards (see Cards).
l If available, install a working graphics card into your computer.
l If the problem persists, contact Dell (see Contacting Dell).
A possible floppy drive or hard
drive failure has occurred.
Reseat all power and data cables.
A possible USB failure has
occurred.
Reinstall all USB devices and check all cable connections.
No memory modules are
detected.
l If two or more memory modules are installed, remove the modules (see Removing Memory), then
reinstall one module (see Installing Memory) and restart the computer. If the computer starts
normally, continue to install additional memory modules (one at a time) until you have identified a
faulty module or reinstalled all modules without error.
l If available, install working memory of the same type into your computer (see Installing Memory).
l If the problem persists, contact Dell (see Contacting Dell).
Memory modules are detected,
but a memory configuration or
compatibility error has occurred.
l Ensure that no special requirements for memory module/connector placement exist (see
Memory).
l Ensure that the memory you are using is supported by your computer (see Memory).
l If the problem persists, contact Dell (see Contacting Dell).
A possible expansion card failure
has occurred.
1. Determine if a conflict exists by removing an expansion card (not a graphics card) and restarting
the computer (see Removing PCI and PCI Express Cards).
2. If the problem persists, reinstall the card you removed, then remove a different card and restart
the computer.
3. Repeat this process for each expansion card installed. If the computer starts normally,
troubleshoot the last card removed from the computer for resource conflicts (see Resolving
Software and Hardware Incompatibilities).
4. If the problem persists, contact Dell (see Contacting Dell).
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