Reboot with the xp cdrom and enter the recovery console.
type FIXBOOT and answer yes after
type in the following commands and after each click enter and be sure to leave all spaces exactly as they are..
CD \
ATTRIB -H NTLDR
ATTRIB -S NTLDR
ATTRIB -R NTLDR
ATTRIB -H NTDETECT.COM
ATTRIB -S NTDETECT.COM
ATTRIB -R NTDETECT.COM
COPY X:\I386\NTLDR C:\ (X IS THE LETTER OF YOUR CDROM)
COPY X:\I386\NTDETECT.COM C:\ (X IS THE LETTER OF YOUR CDROM)
Afterwards reboot
type FIXBOOT and answer yes after
type in the following commands and after each click enter and be sure to leave all spaces exactly as they are..
CD \
ATTRIB -H NTLDR
ATTRIB -S NTLDR
ATTRIB -R NTLDR
ATTRIB -H NTDETECT.COM
ATTRIB -S NTDETECT.COM
ATTRIB -R NTDETECT.COM
COPY X:\I386\NTLDR C:\ (X IS THE LETTER OF YOUR CDROM)
COPY X:\I386\NTDETECT.COM C:\ (X IS THE LETTER OF YOUR CDROM)
Afterwards reboot