70 Troubleshooting Tools4 Close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart thecomputer, close the Main Menu screen.DriversWhat Is a Driver?A driver is a program that controls a device such as a printer, mouse, or keyboard. All devices require adriver program.A driver acts like a translator between the device and any programs that use the device. Each device hasits own set of specialized commands that only its driver recognizes.Dell ships your computer to you with required drivers already installed—no further installation orconfiguration is needed.Many drivers, such as the keyboard driver, come with your Microsoft Windows operating system. Youmay need to install drivers if you:• Upgrade your operating system• Reinstall your operating system• Connect or install a new deviceIdentifying DriversIf you experience a problem with any device, identify whether the driver is the source of your problemand, if necessary, update the driver.Windows XP1 Click Start, then click Control Panel.2 Click System.3 In the System Properties window, click the Hardware tab.4 Click Device Manager.Configuration Displays your hardware configuration for the selected device.The Dell Diagnostics obtains configuration information for alldevices from system setup, memory, and various internal tests,and displays the information in the device list in the left pane ofthe screen. The device list may not display the names of all thecomponents installed on your computer or all devices attached toyour computer.Parameters Allows you to customize the test by changing the test settings.Tab FunctionDIM_book.book Page 70 Monday, October 15, 2007 11:04 AM