56 Troubleshooting ToolsIf Device Driver Rollback and manually reinstalling the driver do not resolve the problem, use SystemRestore to return your computer to the operating state that existed before you installed the new driver(see "Using Microsoft Windows XP System Restore" on page 56).Resolving Software and Hardware IncompatibilitiesIf a device is either not detected during the operating system setup or is detected but incorrectlyconfigured, you can use the Hardware Troubleshooter to resolve the incompatibility.1 Click Start, then click Help and Support.2 Type hardware troubleshooter in the Search field, then click the arrow to start the search.3 Click Hardware Troubleshooter in the Search Results list.4 In the Hardware Troubleshooter list, click I need to resolve a hardware conflict on my computer, andthen click Next.Restoring Your Operating SystemYou can restore your operating system in the following ways:• Microsoft Windows XP System Restore returns your computer to an earlier operating state withoutaffecting data files.• Dell PC Restore by Symantec restores your hard drive to the operating state it was in when youpurchased the computer. Dell PC Restore permanently deletes all data on the hard drive and removesany applications installed after you received the computer.NOTE: Dell PC Restore is available only on computers purchased in certain regions.Using Microsoft Windows XP System RestoreThe Microsoft Windows XP operating system provides System Restore to allow you to return yourcomputer to an earlier operating state (without affecting data files) if changes to the hardware, software,or other system settings have left the computer in an undesirable operating state. See the Windows Helpand Support Center for information on using System Restore.NOTICE: Make regular backups of your data files. System Restore does not monitor your data files or recover them.NOTE: The procedures in this document were written for the Windows default view and may not apply if yourcomputer has been set to the Windows Classic view.Creating a Restore Point1 Click Start, then click Help and Support.2 Click System Restore.3 Follow the instructions on the screen.