66 Advanced Troubleshootingw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Many drivers such as the keyboard driver come with your Microsoft ®Windows ® operating system. You may need to install drivers if you:• Upgrade your operating system• Reinstall your operating system• Connect or install a new deviceIf you experience a problem with any device, perform the steps in thefollowing sections to identify whether the driver is the source of yourproblem and if necessary, to update the driver.Identifying Drivers1 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 devicehas 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 toreinstall the driver or install a new driver.Reinstalling driversNOTICE: The Dell Support website and yourDell Dimension ResourceCDprovide approved drivers for Dell™ computers. If you install drivers obtainedfrom other sources, your computer might not work correctly.Using Windows XP Device Driver RollbackIf a problem occurs on your computer after you install or update a driver,use Windows XP Device Driver Rollback to replace the driver with thepreviously 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.
