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Using Support Tools
Start the Dell Diagnostics from your hard drive
or from the
Drivers and Utilities
disc.
Starting 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
page 53.
Ensure that the computer is connected to an 1.
electrical outlet that is known to be working
properly.
Turn on (or restart) your computer.2.
When the DELL™ logo appears, press <F12> 3.
immediately. Select Diagnostics from the
boot menu and press <Enter>.
This will invoke the Pre-Boot System
Assessment (PSA) in some computers.
NOTE: If you wait too long and the
operating system logo appears, continue to
wait until you see the Microsoft® Windows®
desktop; then, shut down your computer
and try again.
NOTE: If you see a message stating that no
diagnostics utility partition has been found,
run the Dell Diagnostics from the

Drivers

and Utilities

disc.

If PSA is invoked:

The PSA starts running tests.a.
If the PSA completes successfully, the b.
following message is displayed: “No
problems have been found
with this system so far.
Do you want to run the
remaining memory tests? This
will take about 30 minutes
or more. Do you want to
continue? (Recommended).”