Dell Dimension 4550 User Manual
Page 66
66
Advanced Troubleshooting
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.dell.com | support.dell.com
Identifying Drivers
1
Click the Start button and click Control Panel.
2
Under Pick a Category, click Performance and Maintenance.
3
Click System.
4
In the System Properties screen, click the Hardware tab.
5
Click Device Manager.
6
In the Device Manager window, 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.
Reinstalling drivers
NOTICE: The Dell Support website and your
Dell Dimension ResourceCD
provide approved drivers for Dell™ computers. If you install drivers obtained
from other sources, your computer might not work correctly.
Using Windows XP Device Driver Rollback
If a problem occurs on your computer after you install or update a driver,
use Windows XP Device Driver Rollback to replace the driver with the
previously installed version.
To use Device Driver Rollback:
1
Click the Start button and click Control Panel.
2
Under Pick a Category, click Performance and Maintenance.
3
Click System.
4
In the System Properties screen, click the Hardware tab.
5
Click Device Manager.
6
Right-click the device for which the new driver was installed, and then
click Properties.
7
Click the Drivers tab.
8
Click Roll Back Driver.