Dell XPS 420 Personal Computer User Manual


 
Troubleshooting 89
2
After you have selected the
Test System
option from the main menu, the
following menu appears:
NOTE: It is recommended that you select Extended Test from the menu below to
run a more thorough check of devices in the computer.
3
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 see "Contacting Dell" on page 200
NOTE: The Service Tag for your computer is located at the top of each test
screen. If you contact Dell, technical support will ask for your Service Tag.
4
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.
Option Function
Express Test
Performs a quick test of system devices. The 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.
Extended Test
Performs a thorough check of system devices. The test
typically takes an hour or more.
Custom Test
Use to test a specific device or customize the tests to be
run.
Symptom Tree
This option allows you to select tests based on a symptom
of the problem you are having. This option lists the most
common symptoms.
Built in Self
Test
Performs a thorough check on all LCD display related
functions. Based on the test results a green Passed or red
Failed message appears on screen. For items listed in red,
note down the error code and problem description and
contact Dell.
book.book Page 89 Tuesday, November 27, 2007 10:29 AM