Dell Precision T3400 Guide De Référence Rapide page 42

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 System Setup 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:
periods of time. To avoid possible keyboard failure, press and release <F12> in
even intervals to open the Boot Device Menu.
NOTE:
partition has been found, run the Dell Diagnostics from your Drivers and
Utilities disc
Utilities Disc" on page 43).
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.
3 At the Boot Device Menu, use the up- and down-arrow keys or press the
appropriate number on the keyboard to highlight Boot to Utility Partition,
and then press <Enter>.
NOTE:
boot only. Upon restart, the computer boots according to the boot sequence
specified in System Setup.
4 At the Dell Diagnostics Main Menu, left-click with the mouse, or press
<Tab> and then <Enter>, to select the test you want to run (see "Dell
Diagnostics Main Menu" on page 44).
NOTE:
appear and follow the instructions on the screen.
42
Quick Reference Guide
Keyboard failure may result when a key is held down for extended
If at any time a message appears stating that no diagnostics utility
(see "Starting the Dell Diagnostics From the Drivers and
The Quickboot feature changes the boot sequence for the current
Write down any error codes and problem descriptions exactly as they