Dell Precision WorkStation 530 User Manual page 199

D i a g n o s t i c L i g h t C o d e s B e f o r e P O S T ( c o n t i n u e d )
Light Pattern Cause
Possible VRM 1 failure.
A B C D
Possible VRM 0 and VRM 1 failure.
A B C D
Possible memory riser board A failure. Perform the procedure in
A B C D
Possible memory riser board B failure. Perform the procedure in
A B C D
Possible memory riser board A and
riser board B failure.
A B C D
= y e l l o w
= g r e e n
= o f f
Boot Diagnostic Codes
The following table lists the codes for the diagnostic lights that occur while
the computer is performing the POST.
NOTE: If the computer is turned on and all four diagnostic lights are not on,
see "Preboot Diagnostic Codes."
Action
Perform the procedure in "Microprocessor
Perform the procedure in "Microprocessor
"System Memory
"System Memory
Perform the procedure in "System Memory
Problems."
Problems."
Problems."
Problems."
Problems."
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