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Quick Reference Guide 31
Diagnostic Light Codes During POST
yellow
off
yellow
off
A processor and/or VRM
mismatch exists.
Perform the procedure in "Processor Problems" in the
User’s Guide.
green
yellow
yellow
off
A possible VRM 0 failure
has occurred.
Contact Dell for technical assistance.
yellow
green
yellow
green
A possible VRM 1 failure
has occurred.
Perform the procedure in "Processor Problems" in the
User’s Guide.
green
green
yellow
off
A possible VRM 0 and VRM 1
failure has occurred.
Contact Dell for technical assistance.
Light Pattern Problem Description Suggested Resolution
= yellow
= green
= off
ABCD
ABCD
ABCD
ABCD
Light Pattern Problem Description Suggested Resolution
yellow
yellow
green
yellow
A possible processor failure has occurred. Reinstall the processor and restart
the computer.
ABCD
= yellow
= green
= off