If you get an error that NTLDR is not found during bootup,

If you have FAT32 partitions, it is much simpler than with NTFS.
Just boot with a Win98 floppy and copy the NTLDR or NTDETECT.COM files
from the i386 directory to the root of the C:\ drive.

For NTFS:

  1. Insert and boot from your WindowsXP CD.
  2. At the first R=Repair option, press the R key
  3. Press the number that corresponds to the correct location for the installation of Windows you want to repair.
    Typically this will be #1
  4. Enter in the administrator password when requested
  5. Enter in the following commands (X: is replaced by the actual drive letter that is assigned to the CD ROM drive.
    COPY X:\i386\NTLDR C\:
    COPY X:\i386\NTDETECT.COM C:\
  6. Take out the CD ROM and type exit

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