Manual

24 System Information Guide
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4 Turn on the computer. When the DELL™ logo appears, press immediately.
NOTE: If you see a message stating that no diagnostics utility partition has been found, run the
Dell Diagnostics from your Drivers and Utilities CD.
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 .
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 failure is detected, the computer stops and displays an error message. 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 (see "Getting Help" in your User’s Guide for the
appropriate contact information) before continuing on to the Dell Diagnostics.
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.
Option Function
Express Test Performs a quick test of 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.
Extended Test Performs a thorough check of devices. This test typically takes
1 hour or more and requires you to answer questions
periodically.