Dell Precision Workstation 450 - Page 237

Advanced Troubleshooting 223
Diagnostic Light Codes During POST
A possible VRM 1 failure has
occurred.
Perform the procedure in "Microprocessor Problems."
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
Light Pattern Problem Description Suggested Resolution
A possible BIOS failure has occurred; the
computer is in the recovery mode.
Run the BIOS Recovery Utility, wait for
recovery completion, and then restart the
computer.
A possible microprocessor failure has
occurred.
Reinstall the microprocessor and restart the
computer.
A B C D
A B C D
= yellow
= green
= off