Dell Precision T7400 DCDO, Quick Reference Manual, Page: 33 / 320

Quick Reference Guide
33
Windows Vista :
1
Click the Windows Vista start button , and click Help and Support.
2
Type
hardware troubleshooter
in the search field and press
<Enter> to start the search.
3
In the search results, select the option that best describes the problem and
follow the remaining troubleshooting steps.
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 "Troubleshooting" in your
User’s Guide ) and run
the Dell Diagnostics before you contact Dell for assistance.
You can run the Dell Diagnostics from your hard drive or from the Drivers and
Utilities disc.
See "System Setup" in your User’s Guide 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.
NOTE:
The Dell Diagnostics works only on Dell computers.
NOTE:
Print the following procedures before you run the Dell diagnostics.
Starting the Dell Diagnostics From Your Hard Drive
The Dell Diagnostics is located on a separate diagnostic utility partition on
your hard drive.
NOTE:
If your computer cannot display a screen image, see "Contacting Dell" in
your User’s Guide .
1
Turn on (or restart) your computer.
2
When the DELL logo appears, press <F12> immediately.
NOTE:
Keyboard failure may result when a key is held down for extended
periods of time. To avoid possible keyboard failure, press and release <F12> in
even intervals to open the
Boot Device Menu .