Dell Precision 530 Guide De Configuration Et De Référence Rapide page 36

D i a g n o s t i c L i g h t C o d e s D u r i n g P O S T
Light Pattern Cause
Possible USB failure.
A B C D
Possible system board resource and/or hardware
failure.
A B C D
Possible system board resource and/or hardware
failure.
A B C D
Possible expansion card failure or conflict.
A B C D
Possible system board resource and/or hardware
failure.
A B C D
Normal operating condition after POST.
A B C D
= y e l l o w
= g r e e n
= o f f
36
Setup and Quick Reference Guide
All manuals and user guides at all-guides.com
(continued)
Action
Disconnect all USB devices and cables, and
restart the computer to retest. Then reconnect
all USB devices and cables, and restart the
computer to retest.
If the problem is still not resolved, contact Dell
for technical assistance.
See "System Board Problems" and "Hardware
Conflicts" in the User's Guide.
See "System Board Problems" and "Hardware
Conflicts" in the User's Guide.
See "System Board Problems" and "Hardware
Conflicts" in the User's Guide.
See "System Board Problems" and "Hardware
Conflicts" in the User's Guide.
No action is necessary.