Dell Precision T3400 (Late 2007) - Manual (Page 133)

Reinstalling Software
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4 In the System Properties window, click the Hardware tab.
5 Click Device Manager.
6 Right-click the device for which the new driver was installed, then click
Properties.
7 Click the Driver tab.
8 Click Roll Back Driver.
If Device Driver Rollback does not resolve the problem, reinstall the driver
from the
Drivers and Utilities disc.
Windows Vista:
1 Click the Windows Vista start button
, then right-click Computer.
2 Click Properties, then click 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.
3 Right-click the device for which the new driver was installed, then click
Properties.
4 Click the Driver tab.
5 Click Roll Back Driver.
If Device Driver Rollback does not resolve the problem, reinstall the driver
from the
Drivers and Utilities disc.
Using the Drivers and Utilities Disc
If a problem occurs on your computer after you install or update a driver and
Device Driver Rollback does not resolve the problem, reinstall the driver from
the
Drivers and Utilities disc.
1 Save and close any open files, and exit any open programs.
2 Insert the Drivers and Utilities disc.
In most cases, the CD/DVD starts running automatically. If it does not,
start Windows Explorer, click your CD/DVD drive directory to display the
CD/DVD contents, and then double-click the autorcd.exe file. The first
time that you run the CD/DVD, it may prompt you to install setup files.
Click OK, and then follow the instructions on the screen.