DELL NX046 User Manual

Reinstalling Software

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.

1 Click the Windows Vista start button 

, and right-click Computer.

2 Click Properties→ Device Manager.

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 

The Dell Support website at support.dell.com and your Drivers and 

 disc provide approved drivers for Dell™ computers. If you install drivers 

obtained from other sources, your computer might not work correctly.

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.

1 Click the Windows Vista start button 

, and right-click Computer.

2 Click Properties→ Device Manager.