Dell C0931 manual Ensure that there are no special memory

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Light Pattern	Problem Description	Suggested Resolution
	System board failure has occurred.	Perform the procedures in "System Board
		Problems" in your User’s Guide.
A B C D		If the problem persists, contact Dell.
	Memory modules are detected, but a memory	Ensure that there are no special memory
	configuration or compatibility error exists.	module/memory connector placement
A B C D		requirements. See "Memory" in your User’s
		Guide.
		Reinstall the memory modules, and then
		restart the computer.
		If the problem persists, contact Dell.
	A possible system board resource and/or	Perform the procedure in "System Board
	hardware failure has occurred.	Problems" and see "Resolving Software and
A B C D		Hardware Incompatibilities" in your User’s
		Guide.
		If the problem persists, contact Dell.
	A possible expansion card failure has	1 Determine if a conflict exists by removing
	occurred.	a card and then restarting the computer.
A B C D		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" in your
		User’s Guide).
		4 If the problem persists, contact Dell.
	Other failure has occurred.	Ensure that the cables are properly connected
		from the hard drive, CD drive, and DVD drive
A B C D		to the system board.
		If the problem persists, contact Dell.

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Setup and Quick Reference Guid e