Dell Latitude D420 Guide De Référence Rapide page 21

3 When the boot device list appears, highlight CD/DVD/CD-RW Drive and press <Enter>.
4 Select the Boot from CD-ROM option from the menu that appears and press <Enter>.
5 Type 1 to start the menu and press <Enter> to proceed.
6 Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select
the version appropriate for your computer.
7 When the Dell Diagnostics Main Menu appears, select the test you want to run.
Dell Diagnostics Main Menu
1 After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option
you want.
Option
Express Test
Extended Test
Custom Test
Symptom Tree
2 If a problem is encountered during a test, a message appears with an error code and a description of the
problem. Write down the error code and problem description, and follow the instructions on the screen.
If you cannot resolve the error condition, contact Dell (see "Contacting Dell" in your User's Guide).
NOTE:
The Service Tag for your computer is located at the top of each test screen. If you contact Dell, the
technical support representative will ask you for your Service Tag.
3 If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in
the following table for more information.
Function
Performs a quick test of devices. This test typically takes
10 to 20 minutes and requires no interaction on your
part. Run Express Test first to increase the possibility
of tracing the problem quickly.
Performs a thorough check of devices. This test typically
takes 1 hour or more and requires you to answer questions
periodically.
Tests a specific device. You can customize the tests you
want to run.
Lists the most common symptoms encountered and
allows you to select a test based on the symptom of
the problem you are having.
Quick Reference Guide
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