90 Troubleshooting Tools
Dell Diagnostics CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
When to Use the Dell Diagnostics
If you experience a problem with your computer, perform the checks in
Lockups and Software Problems (see "Lockups and Software Problems" on
page70) and run the Dell Diagnostics before you contact Dell for technical
assistance.
It is recommended that you print these procedures before you begin.
NOTICE: The Dell Diagnostics works only on Dell™ computers.
NOTE: The Drivers and Utilities media is optional and may not ship with your
computer.
See "System Setup" on page187 to review your computer ’s configuration
information, and ensure that the device that you want to test displays in the
system setup program and is active.
Start the Dell Diagnostics from your hard drive or from the Drivers and
Utilities media.
Starting the Dell Diagnostics From Your Hard Drive
The Dell Diagnostics is located on a hidden diagnostic utility partition on
your hard drive.
NOTE: If your computer cannot display a screen image, see
"Contacting Dell
" on
page202.
1
Ensure that the computer is connected to an electrical outlet that is
known to be working properly.
2
Turn on (or restart) your computer.
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