Setup and Quick Reference Guide 29
A possible expansion card failure has
occurred.
1Determine if a conflict exists by removing
a card (not the video card) and then
restarting the computer.
2If the problem persists, reinstall the card
that you removed, remove a different card,
and then restart the computer.
3Repeat 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" in your
User’s Guide).
4If 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.
No memory modules are detected. 1Remove and reinstall all memory modules.
Ensure that all the connector tabs are
locked. For optimal performance, install
the DIMMs in pairs (1 and 2 and 3 and 4).
2Restart the computer.
Light Pattern Problem Description Suggested Resolution
= yellow
= green
= off
A B C D
A B C D
A B C D
A B C D
A B C D
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