Dell X2956 Information on memory modules, see your, Online User’s Guide, Drive, and DVD drive

Light	Problem Description	Suggested Resolution
Pattern
green	A possible USB failure has occurred.	Reinstall all USB devices, check cable
green		connections, and then restart the computer.
green
yellow

yellow	No memory modules are detected.	• If you have one memory module installed,
yellow		reinstall it and restart the computer. For
yellow		information on reinstalling the memory
green		module, see your online User’s Guide.
		• If you have two memory modules installed,
		remove the modules, reinstall one module,
		and then restart the computer. If the computer
		starts normally, reinstall an additional module.
		• If available, install properly working memory
		of the same type into your computer.
		• If the problem persists, contact Dell.
yellow	Memory modules are detected, but a	• Ensure that no special memory module/memory
green	memory configuration or compatibility	connector placement requirements exist. For
yellow	error exists.	information on memory modules, see your
green		online User’s Guide.
		• Verify that the memory modules that you are
		installing are compatible with your computer.
		• If the problem persists, contact Dell.
yellow	An error occurred prior to boot.	• Ensure that the cables are properly connected
green		to the system board from the hard drive, CD
green		drive, and DVD drive.
green		• Check the computer message that appears
		on your monitor screen.
		• If the problem persists, contact Dell.
green	The computer is in a normal operating	None.
green	condition after POST.
green
green

Quick Reference Guide

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