Dell PP22L manual Identifying Drivers, Reinstalling Drivers and Utilities

Identifying Drivers

If you experience a problem with any device, identify whether the driver is the source of your problem and, if necessary, update the driver.

Windows XP

1Click Start→Control Panel.

2Under Pick a Category, click Performance and Maintenance, and click System.

3In the System Properties window, click the Hardware tab, and click

Device Manager.

Windows Vista

1Click the Windows Vista start button , and right-click Computer.

2Click Properties→Device Manager.

NOTE: The User Account Control window may appear. If you are an administrator on the computer, click Continue; otherwise, contact your administrator to continue.

NOTE: Scroll down the list of devices and check for an exclamation point (a circle with a [!]) next to the device name. If an exclamation point is next to the device name, you may need to reinstall the driver or install a new driver (see "Reinstalling Drivers and Utilities" on page 140).

Reinstalling Drivers and Utilities

NOTICE: The Dell Support website at support.dell.com and your Drivers and Utilities media provide approved drivers for Dell computers. If you install drivers obtained from other sources, your computer might not work correctly.

Using Windows Device Driver Rollback

If a problem occurs on your computer after you install or update a driver, use Windows Device Driver Rollback to replace the driver with the previously installed version.

Windows XP

1Click Start→My Computer→Properties→Hardware→Device Manager.

2Right-click the device for which the new driver was installed and click Properties.

3Click the Drivers tab→Roll Back Driver.

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Troubleshooting