Dell 690 manual Diagnostic Light Codes During Post

Diagnostic Lights	Power	Problem Description	Suggested Resolution
	Light
	amber	A possible power supply	Verify that both power supply cables are
		failure has occurred.	plugged in to the motherboard.
(blinking)

Diagnostic Light Codes During POST

The power light displays a solid green for diagnostic light codes during POST.

Light Pattern	Problem Description	Suggested Resolution
	A possible processor failure	Reinstall the processor and restart
	has occurred.	the computer.

A possible expansion card failure has occurred.

1 Determine if a conflict exists by removing a card (not the graphics card) and then restarting the computer.

2 If the problem persists, reinstall the card that you removed, remove a different card, and then restart the computer.

3 Repeat this process for each card. If the computer starts normally, troubleshoot the last card removed from the computer for resource conflicts (see "Resolving Software and Hardware Incompatibilities" on page 30).

4 Move each card one at a time to a different PCI slot and restart the computer after each move.

5 If the problem persists, contact Dell.

Quick Reference Guide

37