26 Quick Reference Guidew w w . d e l l . c o m | s u p p o r t . d e l l . c o m 6 Double-click Interrupt request (IRQ).Incorrectly configured devices are indicated by a yellow exclamation point (!) or a red X ifthe device has been disabled.7 Double-click any device marked with an exclamation point to display the Properties window.The Device status area in the Properties window reports the cards or devices that need to bereconfigured.8 Reconfigure the devices or remove the devices from the Device Manager. See thedocumentation that came with the device for information on configuring the device.To resolve incompatibilities using the Hardware Troubleshooter:1 Click the Start button and click Help.2 Click Troubleshooting and Maintenance on the Contents tab, click Windows 2000troubleshooters, and then click Hardware.3 In the Hardware Troubleshooter list, click I need to resolve a hardware conflict on mycomputer and click Next.Using Microsoft Windows XP System RestoreThe Microsoft Windows XP operating system provides System Restore to allow you to returnyour computer to an earlier operating state (without affecting data files) if changes to thehardware, software, or other system settings have left the computer in an undesirable operatingstate. See the Windows Help and Support Center (see "Finding Information and Assistance"on page 5) for information about using System Restore.NOTICE: Make regular backups of your data files. System Restore does not monitor your data filesor recover them.Creating a Restore Point1 Click the Start button and click Help and Support.2 Click System Restore.3 Follow the instructions on the screen.Restoring 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.