Quick Reference Guide 395 Click Next.The Restoration Complete screen appears after System Restore finishes collecting data and then thecomputer restarts.6 After the computer restarts, click OK.To change the restore point, you can either repeat the steps using a different restore point, or you canundo the restoration.Undoing the Last System RestoreNOTICE: Before you undo the last system restore, save and close all open files and exit any open programs. Do notalter, open, or delete any files or programs until the system restoration is complete.1 Click the Start button, point to All Programs→ Accessories→ System Tools, and then click SystemRestore.2 Click Undo my last restoration and click Next.3 Click Next.The System Restore screen appears and the computer restarts.4 After the computer restarts, click OK.Enabling System RestoreIf you reinstall Windows XP with less than 200 MB of free hard-disk space available, System Restore isautomatically disabled. To verify that System Restore is enabled:1 Click the Start button and click Control Panel.2 Click Performance and Maintenance.3 Click System.4 Click the System Restore tab.5 Ensure that Turn off System Restore is unchecked.Reinstalling Microsoft Windows XPBefore You BeginNOTE: The procedures in this document were written for the Windows default view in Windows XP Home Edition,so the steps will differ if you set your Dell computer to the Windows Classic view or are using Windows XPProfessional.If you are considering reinstalling the Windows XP operating system to correct a problem with a newlyinstalled driver, first try using Windows XP Device Driver Rollback.1 Click the Start button and click Control Panel.2 Under Pick a Category, click Performance and Maintenance.