In Windows XP, click PropertiesHardwareDevice Manager.

NOTE: In Windows Vista®, the User Account Control window may appear. If you are an administrator on the Tablet-PC, click Continue; otherwise, contact your administrator to continue.

Scroll down the list to see if any device has an exclamation point (a yellow circle with a [!]) on the device icon.

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 146).

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 Tablet-PC might not work correctly.

Using Windows Device Driver Rollback

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

1Click Start , and right-click Computer.

In Windows XP, click Start and right-click My Computer.

2Click PropertiesDevice Manager.

In Windows XP, click PropertiesHardwareDevice Manager.

NOTE: In Windows Vista, the User Account Control window may appear. If you are an administrator on the Tablet-PC, click Continue; otherwise, contact your administrator to enter the Device Manager.

3Right-click the device for which the new driver was installed and click Properties.

4Click the Driver tab→ Roll Back Driver.

If Device Driver Rollback does not resolve the problem, then use System Restore (see "Restoring Your Operating System" on page 148) to return your Tablet-PC to the operating state that existed before you installed the new driver.

146

Reinstalling Software

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Image 146
Dell PP12S manual Reinstalling Drivers and Utilities, Using Windows Device Driver Rollback, 146