Dell MT480, 518, 519 manual Code Description Suggested Remedy Repetitive

Code	Description	Suggested Remedy
(repetitive
short beeps)
1	BIOS checksum	Contact Dell. For more information, see
	failure. Possible	"Contacting Dell" on page 57.
	system board failure.

2No memory modules 1 If you have two or more memory modules

	are detected	installed, remove the modules, reinstall one
		module (see the Service Manual on the Dell
		Support website at support.dell.com), and
		then restart the computer. If the computer
		starts normally, reinstall an additional module.
		Continue until you have identified a faulty
		module or reinstalled all modules without
		error.
		2 If available, install good memory of the same
		type into your computer (see the Service
		Manual on the Dell Support website at
		support.dell.com).
		3 If the problem persists, contact Dell.
3	Possible system	Contact Dell. For more information, see
	board failure	"Contacting Dell" on page 57.

4RAM Read/Write 1 Ensure that no special memory

	failure		module/memory connector placement
			requirements exist (see the Service Manual on
			the Dell Support website at support.dell.com).
		2	Verify that the memory modules that you are
			installing are compatible with your computer
			(see the Service Manual on the Dell Support
			website at support.dell.com).
		3	If the problem persists, contact Dell (see
			"Contacting Dell" on page 57).
5	Real time clock	1	Replace the battery (see the Service Manual on
	failure. Possible		the Dell Support website at support.dell.com).
	battery failure or	2	If the problem persists, contact Dell (see
	system board failure.		"Contacting Dell" on page 57).

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Troubleshooting