Dell Precision Workstation 470 Quick Reference Manual page 33

Light Pattern
yellow
green
A B C D
yellow
yellow
yellow
green
A B C D yellow
green
yellow
green
A B C D green
yellow
yellow
green
A B C D
green
green
= yellow
= green
= off
Problem Description
A possible expansion card failure
has occurred.
A possible graphics card failure
has occurred.
A possible floppy or hard drive failure
has occurred.
A possible USB failure has occurred.
Suggested Resolution
Determine if a conflict exists by
1
removing a card (not the graphics
card) and then restarting
the computer.
If the problem persists, reinstall the
2
card that you removed, remove a
different card, and then restart
the computer.
Repeat this process for each card. If
3
the computer starts normally,
troubleshoot the last card removed
from the computer for resource
conflicts (see your User's Guide).
If the problem persists, contact Dell.
4
• If the computer has a graphics card,
remove the card, reinstall it, and then
restart the computer.
• 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.
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