Microsoft ® Windows ® Xp; Microsoft Windows Vista; Reinstalling Drivers And Utilities; Using Windows Device Driver Rollback - Dell OptiPlex 755 User Manual

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Microsoft Windows XP
1 Click Start→ Control Panel.
2 Under Pick a Category, click Performance and Maintenance, and click System.
3 In the System Properties window, click the Hardware tab, and click Device Manager.

Microsoft Windows Vista

1 Click the Windows Vista start button
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 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 357).

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:
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.
Windows Vista:
1 Click the Windows Vista start button
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.
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, and right-click Computer.
, and right-click Computer.
357
Solving Problems