Dell T5400 manual Guide

Light Pattern	Problem Description	Suggested Resolution
	Memory modules	• If two or more memory modules are
	are detected, but	installed, remove the modules
	a memory failure	(see "Memory" in your User’s Guide),
	has occurred.	reinstall one module, and then restart
		the computer. If the computer starts
		normally, continue to install additional
		memory modules (one at a time) until
		you have identified a faulty module or
		reinstalled all modules without error.
		• If available, install working memory of
		the same type into your computer
		(see "Memory" in your User’s Guide).
		• If the problem persists, contact Dell
		(see "Contacting Dell" in your User’s
		Guide).
	A possible graphics	• Reseat any installed graphics cards
	card failure has	(see "Cards" in your User’s Guide).
	occurred.	• If available, install a working graphics
		card into your computer.
		• If the problem persists, contact Dell
		(see "Contacting Dell" in your User’s
		Guide).
	A possible floppy or	• Reseat all power and data cables and
	hard drive failure	restart the computer.
	has occurred.	• If the problem persists, contact Dell
		(see "Contacting Dell" in your User’s
		Guide).
	A possible USB	• Reinstall all USB devices, check cable
	failure has occurred.	connections, and then restart the
		computer.
		• If the problem persists, contact Dell
		(see "Contacting Dell" in your User’s
		Guide).

30

Quick Reference Guide