Dell Precision 10JEJ Setup And Quick Reference Manual 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 Guid e
(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.