Advanced Troubleshooting 225
A possible expansion card failure has
occurred.
1 Determine if a conflict exists by removing
a card (not the video card) and then
restarting the computer.
2 If the problem persists, reinstall the card
that you removed, remove a different card,
and then restart the computer.
3 Repeat this process for each card. 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.
A possible graphics card failure has occurred. Reinstall the graphics card and restart the
computer.
If the problem still exists, install a graphics
card that you know works and restart the
computer.
If the problem persists, contact Dell.
A possible floppy or hard drive failure has
occurred.
Check all power and data cable connections,
and then restart the computer.
A possible USB failure has occurred. Reinstall all USB devices, check cable
connections, and then restart the computer.
Light Pattern Problem Description Suggested Resolution
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