1. Load Windows XP CD into CD drive.
2. Make sure BIOS is set to boot to CD drive.
3. Boot the computer from CD.
4. At menu, press "R" to load Recovery Console.
5. Select the installation to be fixed.
*We are assume CD-ROM is drive D and OS partition is C.
6. Type "COPY D:\i386\ntldr C:\" and press ENTER.
7. Type "COPY D:\i386\ntdetect.com C:\" and press ENTER.
8. Remove CD and type "EXIT" and press ENTER (to reboot your computer).