Dell OptiPlex 755 Guide De Référence Rapide page 80

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 73) to return your
computer to the operating state that existed before you installed the new
driver.
Manually Reinstalling Drivers
After extracting the driver files to your hard drive as described in the previous
section:
Windows XP:
1 Click Start→ My Computer→ Properties→ Hardware→ Device Manager.
2 Double-click the type of device for which you are installing the driver (for
example, Audio or Video).
3 Double-click the name of the device for which you are installing the driver.
4 Click the Driver tab→ Update Driver.
5 Click Install from a list or specific location (Advanced)→ Next.
6 Click Browse and browse to the location to which you previously copied
the driver files.
7 When the name of the appropriate driver appears, click Next.
8 Click Finish and restart your computer.
Windows Vista:
1 Click the Windows Vista start button
2 Click Properties→ Device Manager.
NOTE:
administrator on the computer, click Continue; otherwise, contact your
administrator to enter the Device Manager.
3 Double-click the type of device for which you are installing the driver (for
example, Audio or Video).
4 Double-click the name of the device for which you are installing the driver.
80
Quick Reference Guide
The User Account Control window may appear. If you are an
, and right-click Computer.