Dell YT583 manual 110

Light Pattern	Problem Description	Suggested Resolution
	A possible graphics card failure	1 If the computer has a
	has occurred.	graphics card, remove the
		card, reinstall it, and then
		restart the computer (see
		"Cards" on page 194).
		2 If the problem still exists,
		install a graphics card that
		you know works and
		restart the computer.
		3 If the problem persists or
		the computer has
		integrated graphics,
		contact Dell for technical
		assistance (see
		"Contacting Dell" on
		page 287).
	A possible floppy or hard drive	Reseat all power and data
	failure has occurred.	cables and restart the
		computer.

A possible USB failure has occurred.

Reinstall all USB devices, check cable connections, and then restart the computer.

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