Dell T7400 manual Dell Diagnostics Main Menu, Option Function

5When the DELL logo appears, press <F12> immediately.

NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure, press and release <F12> in even intervals until the Boot Device Menu appears.

If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop, and then shut down your computer and try again.

6At the Boot Device Menu, use the up- and down-arrow keys or press the appropriate number on the keyboard to highlight Onboard or USB CD-ROM, and then press <Enter>.

NOTE: The Quickboot feature changes the boot sequence for the current boot only. Upon restart, the computer boots according to the boot sequence specified in the system setup program.

7Press <1> to select the Dell Diagnostics.

8At the Dell Diagnostics Menu, press <1> to select the Dell Diagnostics.

9At the Dell Diagnostics Main Menu, left-click with the mouse, or press <Tab> and then <Enter>, to select the test you want to run (see "Dell Diagnostics Main Menu" on page 35).

NOTE: Write down any error codes and problem descriptions exactly as they appear and follow the instructions on the screen.

10After all tests have completed, close the test window to return to the Dell Diagnostics Main Menu.

11Remove the Drivers and Utilities disc, close the Main Menu window to exit the Dell Diagnostics, and then restart the computer.

Dell Diagnostics Main Menu

The following tests can be run from the Dell Diagnostics Main Menu:

Option	Function
Express Test	Performs a quick test of system devices. The test typically
	takes 10 to 20 minutes and requires no interaction on your
	part. Run Express Test first to increase the possibility of
	tracing the problem quickly.

Quick Reference Guide

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