Dell Precision 370 WHM Quick Reference Manual page 33

Light Pattern Problem Description
A possible graphics card failure has
occurred.
A B C D
A possible floppy or hard drive failure
has occurred.
A B C D
A possible USB failure has occurred.
A B C D
= yellow
= green
= off
Suggested Resolution
• If the computer has a graphics card,
remove the card, reinstall it, and then
restart the computer. For more
information on reinstalling the
graphics card, see your User's Guide.
• If the problem still exists, install a
graphics card that you know works and
restart the computer.
• If the problem persists or the
computer has integrated graphics,
contact Dell. For more information on
contacting Dell, see your User's Guide.
Reseat all power and data cables and
restart the computer.
Reinstall all USB devices, check cable
connections, and then restart the
computer.
Quick Reference Guide
33