Solving Problems 45Using System RestoreThe Microsoft® Windows® XP operating system provides a System Restorefeature that allows you to return your computer to an earlier operating stateif changes to the computer’s hardware or software (including new hardwareor program installations), or other system settings, have left the computer inan undesirable operating state. You can also undo the last System Restore.System Restore automatically creates system checkpoints. You can alsomanually create your own checkpoints by creating restore points. To limitthe amount of hard disk space used, older restore points will beautomatically purged.To resolve an operating system problem, you can use System Restore fromSafe Mode or Normal Mode to return your computer to an earlier operatingstate.System Restore does not cause you to lose personal files stored in the MyDocuments folder, data files, or e-mail messages after restoring thecomputer to an earlier time. If you restore the computer to an operatingstate that existed before you installed a program, the program’s data files arenot lost, but you must reinstall the actual program again.NOTICE: It is important to make regular backups of your data files. SystemRestore does not monitor changes to or recover your data files. If the originaldata on the hard disk is accidentally erased or overwritten, or if it becomesinaccessible because of a hard disk malfunction, use your backup files torecover the lost or damaged data.System Restore is enabled on your new computer. However, if you reinstallWindows XP with less than 200 MB of free hard-disk space available,System Restore is automatically disabled. Before you use System Restore,confirm that it is enabled:1 Click the Start button and click Control Panel.2 Click the Performance and Maintenance.3 Click System.4 Click the System Restore tab.5 Ensure that Turn off System Restore is not checked.