NTLDR Missing

Start the Recovery Console
1)Insert the Windows XP CD into the CD or DVD drive and Restart the computer.
2) While the computer is starting, repeatedly press F12 every 3 seconds to access the one-time boot menu.
3) When the one-time boot menu appears, press the Down Arrow to highlight the CD-ROM option that appears, which is one of the following options: Onboard CD-ROM Drive or Onboard USB CD-ROM Drive. Press Enter. When the computer boots to the CD-ROM drive, press R to enter the Recovery Console.
NTLDR Missing or NTDETECT File
Boot the system to the Windows XP Recovery Console.
1) Type map, and press . Make note of the drive letter assigned to the optical (DVD or CD-ROM) drive.
2) Type copy x:\i386\ntldr c:\ (where x is the drive letter for the optical drive), and press .
3) Type copy x:\i386\ntdetect.com c:\ (where x is the drive letter for the optical drive), and press .
4) If you are prompted to overwrite the file, type y, and press .Type exit and press .
5) As the computer restarts, remove the Windows XP CD.The files have been restored and the error message should be fixed.