Dell Precision Guide De Configuration Et De Référence Rapide page 48

48
Setup and Quick Re ference Guide
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
A
green
B
yellow
C
yellow
D
green
green
A
yellow
B
green
C
green
D
A green
B green
yellow
C
D yellow
A
yellow
B
green
C
green
D
green
green
A
green
B
green
C
green
D
= y e l l o w
= g r e e n
= o f f
System Messages
If an error occurs during start-up, a message may be reported on the
monitor identifying the problem. If a system message is displayed, look it up
under "System Messages" in the User's Guide for suggestions on resolving
any problems. The system messages are listed alphabetically.
(continued)
Cause
Possible system board resource and/or hardware failure.
Possible system board resource and/or hardware failure.
Possible expansion card failure or conflict.
Possible USB failure.
Normal operating condition after POST.