Make sure that you actually have the right Disc in the Optical Drive and that the Data Face is clean of finger prints and scratches.
If you have the M$ Branded Windows Install Disc and the BIOS is correctly set with a working Optical Drive the system should boot. So if it doesn't first check the install Disc's Data Surface. If you have a System Makers Recovery Disc the steps are the same.
You can try this but only if you have a M$ Branded Install Disc
[i]Method 2: Repair install of Windows XP by starting your computer from the Windows XP CD
Note If Windows XP was preinstalled on your computer, you may need the installation CD to reinstall. Contact your computer manufacturer to make sure that you have the installation CD for a repair installation.
To reinstall Windows XP by starting your computer from the Windows XP CD, follow these steps: 1. Insert the Windows XP CD into your computer's CD drive or DVD drive, and then restart your computer.
2. When you receive the "Press any key to boot from CD" message on the screen, press a key to start your computer from the Windows XP CD.
3. The following message on the Welcome to Setup screen will appear:
This portion of the Setup program prepares Microsoft Windows XP to run on your computer: To setup Windows XP now, press ENTER. To repair a Windows XP installation by using Recovery Console, press R. To quit Setup without installing Windows XP, press F3.
4. Press ENTER to set up Windows XP.
5. On the Windows XP Licensing Agreement screen, press F8 to agree to the license agreement.
6. Make sure that your current installation of Windows XP is selected in the box, and then press R to repair Windows XP.
7. Follow the instructions that appear on the screen to reinstall Windows XP. After you repair Windows XP, you may have to reactivate your copy of Windows XP. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
310064 (http://support.microsoft.com/kb/310064/) How to troubleshoot Windows XP Setup problems when you upgrade from Windows 98 or Windows Millennium Edition
If you successfully completed the reinstallation, congratulations. You are almost done. Please continue to the "After you reinstall Windows XP" section to finish.
If you received an error or if the reinstallation did not finish, unfortunately, this article did not resolve your problem. For your next steps, you may want to ask someone whom you know for help. Or, you may want to contact Microsoft Support to help you resolve this problem.
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After you reinstall Windows XP
After you finish the reinstallation, complete the following final tasks.
Note You may also want to enable the firewall in Internet Explorer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
283673 (http://support.microsoft.com/kb/283673/) How to turn on or turn off the firewall in Windows XP [/i]
The Full M$ Knowledge Base Article is posted here
http://support.microsoft.com/kb/315341
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