Dell XPS 400 owner manual Drivers, What Is a Driver?, Tab Function

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.

Tab	Function
Results	Displays the results of the test and any error conditions
	encountered.
Errors	Displays error conditions encountered, error codes, and the
	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 configuration information for all
	devices from system setup, memory, and various internal tests,
	and it 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.

4Close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen.

Drivers

What Is a Driver?

A driver is a program that controls a device such as a printer, mouse, or keyboard. All devices require a driver program.

A driver acts like a translator between the device and any other programs that use the device. Each device has its own set of specialized commands that only its driver recognizes.

Dell ships your computer to you with required drivers already installed—no further installation or configuration is needed.

Many drivers, such as the keyboard driver, come with your Microsoft® Windows® operating system. You may need to install drivers if you:

•Upgrade your operating system

•Reinstall your operating system

•Connect or install a new device

Troubleshooting Tools

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