Dell Latitude XT Guide De Référence Rapide page 26

When to Use the Dell Diagnostics
If you experience a problem with your Tablet-PC, perform the checks in
Lockups and Software Problems (see "Lockups and Software Problems" on
page 23), and run the Dell Diagnostics before you contact Dell for technical
assistance.
It is recommended that you print these procedures before you begin.
See "Using the System Setup Program" in your User's Guide to review your
Tablet-PC'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.
NOTE:
The Drivers and Utilities media is optional and may not ship with your
Tablet-PC.
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 Tablet-PC does not display a screen image, contact Dell (see
"Contacting Dell" in your User's Guide).
NOTE:
If the Tablet-PC is connected to a docking device (docked), undock it. See
"Undocking Your Tablet-PC From the Media Base" and "Undocking Your Tablet-PC
From the Battery Slice" in your User's Guide for instructions if applicable.
1 Ensure that the Tablet-PC is connected to an electrical outlet that is
known to be working properly.
2 Turn on (or restart) your Tablet-PC.
3 Start the Dell Diagnostics in one of the following two ways:
NOTE:
to wait until you see the Microsoft
Tablet-PC and try again.
– When the DELL™ logo appears, press <F12> immediately. Select
Diagnostics from the boot menu and press <Enter>.
NOTE:
powered down completely.
– Press and hold the <Fn> key while powering the Tablet-PC on.
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Quick Reference Guide
If you wait too long and the operating system logo appears, continue
Before attempting the following option, the Tablet-PC must be
® ®
Windows desktop; then, shut down your