100 Reinstalling Software2 Click Properties→Device ManagerNOTE: The User Account Control window may appear. If you are an administrator on the computer, clickContinue; otherwise, contact your administrator to continue the desired action.Scroll down the list to see if any device has an exclamation point (a yellow circle with a [!]) on the deviceicon.If an exclamation point is next to the device name, you may need to try "Reinstalling Drivers and Utilities"on page 100.Reinstalling Drivers and UtilitiesNOTICE: The Dell Support website at support.dell.com and your Drivers and Utilities CD provide approveddrivers for Dell™ computers. If you install drivers obtained from other sources, your computer might not workcorrectly.Using Windows Device Driver RollbackIf a problem occurs on your computer after you install or update a driver, use Windows Device DriverRollback to replace the driver with the previously installed version.For Windows XP:1 Click Start and right-click My Computer.2 Click Properties→Hardware→Device Manager.3 Right-click the device for which the new driver was installed and click Properties.4 Click Drivers→Roll Back Driver.For Windows Vista:1 Click the Windows Vista Start button, , and right-click Computer.2 Click Properties→Device Manager.NOTE: The User Account Control window may appear. If you are an administrator on the computer, clickContinue; otherwise, contact your administrator to enter the Device Manager.3 Right-click the device for which the new driver was installed and click Properties.4 Click Drivers→Roll Back Driver.If Device Driver Rollback does not resolve the problem, use "Using Microsoft Windows System Restore"on page 103 to return your computer to the operating state that existed before you installed the newdriver.Using the Drivers and Utilities CDIf using Device Driver Rollback or System Restore does not resolve the problem, then reinstall the driverfrom the Drivers and Utilities CD.1 Save and close any open files, and exit any open programs.2 Insert the Drivers and Utilities CD.
