Dell Precision 470 - Manual (Page 31)

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
A B C D
A B C D
A B C D
A B C D
Light Pattern Problem Description Suggested Resolution
yellow
yellow
green
yellow
A possible processor failure has occurred. Reinstall the processor and restart
the computer.
A B C D
= yellow
= green
= off