66 Advanced Troubleshootingw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Undoing the Last System RestoreNOTICE: Before you undo the last system restore, save and close all open files and exit anyopen programs. Do not alter, open, or delete any files or programs until the system restoration iscomplete.1 Click the Start button, point to All Programs→ Accessories→ System Tools, and thenclick System 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.4 Click the System Restore tab.5 Ensure that Turn off System Restore is unchecked.Resolving Software and HardwareIncompatibilitiesWindows XP IRQ conflicts occur if a device either is not detected during the operatingsystem setup or is detected but incorrectly configured.To check for conflicts on a computer running Windows XP:1 Click the Start button and click Control Panel.2 Click Performance and Maintenance and click System.3 Click the Hardware tab and click Device Manager.
