24
S y s t e m I n f o r m a t i o n G u i d e
www
.dell.com | support.dell.com
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
.
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 (see "Getting Help" in your
User’s Guide
for the
appropriate contact information) 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.
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. The test typically takes 1 hour or more
and requires you to answer questions periodically.
Custom Test
Tests a specific device. You can customize the tests to be run.
Symptom Tree
Allows you to select tests based on a symptom of the problem you are
experiencing. The option lists the most common symptoms.
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