Dell LATITUDE D400: 3 Connect the computer to an electrical outlet.

3 Connect the computer to an electrical outlet.: Dell LATITUDE D400

0T842bk0.book Page 22 Thursday, April 10, 2003 1:21 PM

3 Connect the computer to an electrical outlet.

NOTE: If you do not see anything on your display, hold down the mute button and press the

power button (instead of ) to begin the Dell Diagnostics. You do not need to highlight

Diagnostics and press . The computer automatically runs the Pre-boot System

Assessment.

4

Turn on the computer. When the DELL™ logo appears, press immediately. If

®

®

you wait too long and the Microsoft

Windows

logo appears, continue to wait until

you see the Windows desktop. Then shut down your computer and try again.

5 When the boot device list appears, highlight Diagnostics and press .

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The computer begins to run the Pre-boot System Assessment, a series of embedded

diagnostics that perform initial testing on your system board, keyboard, hard drive, and

display.

During the assessment, answer any questions that appear.

If a component failure is detected, the computer stops and beeps. To stop the

assessment and reboot to the operating system, press ; to continue to the

next test, press ; to retest the component that failed, press .

If failures are detected during the Pre-boot System Assessment, write down the

error code(s) and contact Dell before continuing on to the Dell Diagnostics.

If you receive a message stating that no Diagnostics utility partition has been

found, follow the instructions on the screen to run the Dell Diagnostics from your

Drivers and Utilities CD.

If the Pre-boot System Assessment completes successfully, you receive the message

Booting Dell Diagnostic Utility Partition. Press any key to

continue

.

6 Press any key to start the Dell Diagnostics from the Diagnostics utility partition on

your hard drive.

7 After the Dell Diagnostics loads and the Main Menu screen appears, click the button

for the option you want.

NOTE: The Service Tag for your computer is located in the title bar of each screen.

22 System Information Guide