Dell Latitude D631 (Early 2009) - Manual (Page 102)

102 Reinstalling Software
NOTE: The User Account Control window may appear. If you are an administrator on the computer, 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 102).
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.
Microsoft Windows XP
1 Click Start→ My Computer→ Properties→ Hardware→ Device Manager.
2 Right-click the device for which the new driver was installed and click Properties.
3 Click the Drivers tab → Roll Back Driver.
Microsoft Windows Vista:
1 Click the Windows Vista start button, , and right-click Computer.
2 Click 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 enter the Device Manager.
3 Right-click the device for which the new driver was installed and click Properties.
4 Click the Drivers tab→ Roll Back Driver.
If Device Driver Rollback does not resolve the problem, then use System Restore (see "Restoring Your
Operating System" on page 104) to return your computer to the operating state that existed before you
installed the new driver.
Using the Drivers and Utilities Media
If using Device Driver Rollback or System Restore (see "Restoring Your Operating System" on page 104)
does not resolve the problem, then reinstall the driver from the Drivers and Utilities media.
1 Save and close any open files, and exit any open programs.
2 Insert the Drivers and Utilities media.