Dell N8151 Ensure that no special memory, Requirements exist, Your computer, Incompatibilities on

Light Pattern	Problem Description	Suggested Resolution
	Memory modules are detected, but a	• Ensure that no special memory
	memory configuration or compatibility		module/memory connector placement
	error exists.		requirements exist.
		• Verify that the memory modules that
			you are installing are compatible with
			your computer.
		• Reinstall the memory modules and
			restart the computer.
		• If the problem persists, contact Dell.
			For instructions on contacting Dell,
			see your User’s Guide.
	A possible system board resource and/or	• Perform the procedures in "Resolving
	hardware failure has occurred.		Software and Hardware
			Incompatibilities" on page 32.
		• If the problem persists, contact Dell.
			For instructions on contacting Dell,
			see your User’s Guide.
	A possible expansion card failure has	1	Determine if a conflict exists by
	occurred.		removing a card (not a graphics card)
			and 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 32).
		4	If the problem persists, contact Dell.
			For instructions on contacting Dell,
			see your User’s Guide.
	Another failure has occurred.	• Ensure that the cables are properly
	This pattern also displays when you enter		connected to the system board from

system setup and may not indicate a	the hard drive, CD drive, and DVD
	drive.
problem.
	• If the problem persists, contact Dell.
	For instructions on contacting Dell,
	see your User’s Guide.

Quick Reference Guide

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