Dell PP24L manual Light Pattern, Suggested Resolution

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Light Pattern	Problem Description	Suggested Resolution
	No memory modules	• If two or more memory modules are
	are detected.	installed, remove the modules, then
		reinstall one module and 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 (see "Memory"
		on page 129).
		• If available, install working memory of
		the same type into your computer (see
		"Memory" on page 129).
		• If the problem persists, contact Dell
		Support.
	Memory modules are	• If two or more memory modules are
	detected, but a	installed, remove the modules, then
	memory failure has	reinstall one module and restart the
	occurred.	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 (see "Memory"
		on page 129).
		• If available, install working memory of
		the same type into your computer (see
		"Memory" on page 129).
		• If the problem persists, contact Dell
		Support.
	System board failure	Contact Dell Support.
	has occurred.
	A possible processor	• Reseat the processor (see "Memory"
	failure has occurred.	on page 129).
		• If the problem persists, contact Dell
		Support.

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Troubleshooting