Dell D420 manual Dell Diagnostics Main Menu, Option Function

3When the boot device list appears, highlight CD/DVD/CD-RW Drive and press <Enter>.

4Select the Boot from CD-ROMoption from the menu that appears and press <Enter>.

5Type 1 to start the menu and press <Enter> to proceed.

6Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropriate for your computer.

7When the Dell Diagnostics Main Menu appears, select the test you want to run.

Dell Diagnostics Main Menu

1After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want.

Option	Function
Express Test	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.
Extended Test	Performs a thorough check of devices. This test typically
	takes 1 hour or more and requires you to answer questions
	periodically.
Custom Test	Tests a specific device. You can customize the tests you
	want to run.
Symptom Tree	Lists the most common symptoms encountered and
	allows you to select a test based on the symptom of
	the problem you are having.

2If 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.

3If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information.

Quick Reference Guide

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