Dell C7565 manual Dell Diagnostics Main Menu, Ensure that the cables are properly

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Light Pattern	Problem Description	Suggested Resolution
	Another failure has occurred.	• Ensure that the cables are properly
		connected to the system board from the hard
		drive, CD drive, and DVD drive (see
		page 93).

• If there is an error message on your screen identifying a problem with a device (such as the floppy drive or hard drive), check the device to make sure it is functioning properly.

• The operating system is attempting to boot from a device (such as the floppy drive or hard drive); check system setup (see

page 105) to make sure the boot sequence is correct for the devices installed on your computer.

• If the problem persists, contact Dell (see page 118).

Dell Diagnostics

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

If you experience a problem with your computer, perform the checks in "Solving Problems" on page 27 and run the Dell Diagnostics before you contact Dell for technical assistance.

NOTICE: The Dell Diagnostics works only on Dell™ computers.

1Turn on (or restart) your computer.

2When the DELL™ logo appears, press <F12> immediately.

If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your computer (see page 53) and try again.

3When the boot device list appears, highlight Boot to Utility Partition and press <Enter>.

4When the Dell Diagnostics Main Menu appears, select the test you want to run.

Dell Diagnostics Main Menu

1After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want.

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Troubleshooting Tools