Quick Reference Guide 33Restoring the Computer to an Earlier Operating StateNOTICE: Before you restore the computer to an earlier operating state, save and close any open filesand exit any open programs. Do not alter, open, or delete any files or programs until the systemrestoration is complete.1 Click the Start button, point to All Programs→ Accessories→ System Tools, and then clickSystem Restore.2 Ensure that Restore my computer to an earlier time is selected and click Next.3 Click a calendar date to which you want to restore your computer.The Select a Restore Point screen provides a calendar that allows you to see and select restorepoints. All calendar dates with available restore points appear in boldface type.4 Select a restore point and click Next.If a calendar date has only one restore point, then that restore point is automatically selected.If two or more restore points are available, click the restore point that you prefer.5 Click Next.The Restoration Complete screen appears after System Restore finishes collecting data andthen the computer 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 youcan undo the restoration.Undoing the Last System RestoreNOTICE: Before you undo the last system restore, save and close all open files and exit any openprograms. Do not alter, 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 clickSystem Restore.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, SystemRestore is automatically disabled. To see if System Restore is enabled:1 Click the Start button and click Control Panel.2 Click Performance and Maintenance.3 Click System.