Dell 9T217 manual Verify that the computer power cable is plugged into the

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.

Light Pattern	Problem Description	Suggested Resolution
	Normal off condition or	Verify that the computer power cable is plugged into the
	possible power failure.	computer and a working electrical outlet. Press the power
		button.

YYYG	Possible BIOS failure; the
	computer is in the
	recovery mode.

Run the BIOS Recovery utility, wait for recovery completion, and then restart the computer.

YYGY	Possible microprocessor	Reinstall the microprocessor, and restart the computer.
	failure.

YYGG	Memory modules are
	detected, but a memory
	failure has occurred.

Remove and reinstall all memory modules and CRIMMs. Ensure that all the connector tabs are locked. Restart the computer.

Install the memory modules in memory connectors RIMM 1 (located closest to the microprocessor) and RIMM 2 and ensure that, if no additional memory is used, CRIMMs are installed in memory connectors RIMM 3 and RIMM 4.

If you installed memory modules in memory connectors RIMM3 and RIMM4 that were not purchased from Dell, remove the modules and replace them with the CRIMMs that were originally installed in your computer.

If available, install Dell memory of the same type into your computer.

If the problem persists, contact Dell.

Setup and Quick Reference Guide

27