Dell D400 manual Tab Function Express Test, Minutes and requires no interaction on your part. Run

Tab	Function
Express Test	Performs a quick test of 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 devices. The 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 to be run.
Symptom Tree	Allows you to select tests based on a symptom of the problem
	you are experiencing. The option lists the most common
	symptoms.

8If a problem is encountered during a test, a message appears, displaying the 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.

9If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information.

Tab	Function
Results	Displays the results of the test and any error conditions
	encountered.
Errors	Displays error conditions encountered, error codes, and
	problem description.
Help	Describes the test and may indicate requirements for
	running the test.
Configuration	Displays your hardware configuration for the selected
	device.
	The Dell Diagnostics obtains your configuration
	information for all devices from the system setup program,
	memory, and various internal tests and displays the
	information in the device list in the left pane of the screen.
	The device list may not display the names of all the
	components installed on your computer or all devices
	attached to your computer.
Parameters	Allows you to customize the test by changing the test
	settings.

System Information Guide

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