Dell E521 Personal Computer User Manual


 
If you experience a problem with any device, identify whether the driver is the source of your problem and, if necessary, update the driver.
Windows XP
1. Click the Start button, then click Control Panel.
2. Under Pick a Category, click Performance and Maintenance.
3. Click System.
4. In the System Properties window, click the Hardware tab.
5. Click Device Manager.
6. Scroll down the list of devices and check for an exclamation point (a circle with a [!]) next to the device name.
If an exclamation point appears next to the device name, you may need to reinstall the driver or install a new driver.
Reinstalling Drivers
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.
1. Click Start, then click Control Panel.
2. Under Pick a Category, click Performance and Maintenance.
3. Click System.
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.
Manually Reinstalling Drivers
1. After copying the required driver files to your hard drive, click the Start button and right-click My Computer.
2. Click Properties.
3. Click the Hardware tab and click Device Manager.
4. Double-click the type of device for which you are installing the driver.
5. Double-click the name of the device for which you are installing the driver.
6. Click the Driver tab and click Update Driver.
7. Click Install from a list or specific location (Advanced) and click Next.
8. Click Browse and browse to the location to which you previously extracted the driver files.
9. When the name of the appropriate driver appears, click Next.
NOTICE: The Dell Support website at support.dell.comprovidesapproveddriversforyourDell™computer.Ifyouinstalldriversobtainedfromother
sources, your computer may not function properly.