Dell T3400 manual If the problem persists, reinstall, Card you removed, then remove a

Light Pattern	Problem Description	Suggested Resolution
	A possible expansion	1 Determine if a conflict exists by
	card failure has	removing an expansion card (not a
	occurred.	graphics card) and restarting the
		computer (see "Cards" in your User’s
		Guide).
		2 If the problem persists, reinstall the
		card you removed, then remove a
		different card and restart the
		computer.
		3 Repeat this process for each expansion
		card installed. If the computer starts
		normally, troubleshoot the last card
		removed from the computer for
		resource conflicts (see "Restoring Your
		Operating System" in your User’s
		Guide).
		4 If the problem persists, contact Dell
		(see "Contacting Dell" in your User’s
		Guide).

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