Reinstalling Windows XPThe reinstallation process can take 1 to 2 hours to complete. After you reinstall the operating system, you must also reinstall the device drivers, virusprotection program, and other software.1. Save and close any open files and exit any open programs.2. Insert the Operating System CD. Click Exit if the Install Windows XP message appears.3. Restart the computer.4. Press immediately after the DELL™ logo appears.If the operating system logo appears, wait until you see the Windows desktop, and then shut down the computer and try again.5. Follow the instructions on the screen to complete the installation.Software and Hardware IncompatibilitiesIf a device is either not detected during the operating system setup or is detected but incorrectly configured, you can use the Hardware Troubleshooter toresolve the incompatibility.To start the Hardware Troubleshooter:1. Click the Start button and click Help and Support.2. Type hardware troubleshooter in the Search field and 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, and click Next.Back to Contents PageNOTICE: The Operating System CD provides options for reinstalling Windows XP. The options can overwrite files and possibly affect programs installedon your hard drive. Therefore, do not reinstall Windows XP unless a Dell technical support representative instructs you to do so.