Dell XPS manual Suggested Resolution

Light Pattern Problem Description Suggested Resolution

No memory modules are detected.

1 Reinstall all memory modules (see page 73).

A	B	C	D		2	Ensure that all the connector tabs are
						locked.
					3	Restart the computer.
					4	If the problem persists, contact Dell
						(see page 112).
				Memory modules are detected, but a	• Ensure that no special memory
				memory configuration or compatibility		module/memory connector placement
A	B	C	D	error exists.		requirements exist (see page 73).
					• Verify that the memory modules that
						you are installing are compatible with
						your computer (see page 73).
					• If the problem persists, contact Dell
						(see page 112).
				A possible system board resource and/or	See "Resolving Software and Hardware
				hardware failure has occurred.	Incompatibilities" on page 59.
A	B	C	D		If the problem persists, contact Dell (see
					page 112).

A possible expansion card failure has occurred.

A B C D

1 Determine if a conflict exists by removing a card (not a video card) (see page 77) and restarting the computer.

2 If the problem persists, reinstall the card that you removed, remove a different card, and then restart the computer.

3 Repeat this process for each card. If the computer starts normally, troubleshoot the last card removed from the computer for resource conflicts (see "Resolving Software and Hardware Incompatibilities" on page 59).

4 If the problem persists, contact Dell (see page 112).

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Advanced Troubleshooting

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