60 Advanced Troubleshootingw w w . d e l l . c o m | s u p p o r t . d e l l . c o mReinstalling Microsoft® Windows® XPBefore You BeginIf you are considering reinstalling the Windows XP operating system to correct a problem with anewly installed driver, first try using Windows XP Device Driver Rollback (see page 56). If DeviceDriver Rollback does not resolve the problem, then use System Restore (see page 57) to return youroperating system to the operating state it was in before you installed the new device driver.NOTICE: Before performing the installation, back up all data files on your primary hard drive. Forconventional hard drive configurations, the primary hard drive is the first drive detected by the computer.To reinstall Windows XP, you need the following items:• Dell™ Operating System CD• Dell ResourceCDNOTE: The ResourceCD contains drivers that were installed during assembly of the computer. Use theResourceCD to load any required drivers.Reinstalling Windows XPTo reinstall Windows XP, perform all the steps in the following sections in the order in which theyare listed.The reinstallation process can take 1 to 2 hours to complete. After you reinstall the operatingsystem, you must also reinstall the device drivers, virus protection program, and other software.NOTICE: The Operating System CD provides options for reinstalling Windows XP. The options canoverwrite files and possibly affect programs installed on your hard drive. Therefore, do not reinstallWindows XP unless a Dell technical support representative instructs you to do so.NOTICE: To prevent conflicts with Windows XP, disable any virus protection software installed on yourcomputer before you reinstall Windows XP. See the documentation that came with the software forinstructions.Booting From the Operating System CD1 Save and close any open files and exit any open programs.2 Insert the Operating System CD. Click Exit if 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 shutdown the computer and try again.5 Press the arrow keys to select CD-ROM, and press .6 When the Press any key to boot from CD message appears, press any key.T2310bk2.book Page 60 Thursday, February 5, 2004 10:00 AM