NTLDR missing

Which of the following is the BEST solution for repairing a hard drive that results in the NTLDR is missing display upon booting?

a.  Use recovery console and the fixmbr command.
b.  Use recovery console and the bootcfg /rebuild command.
c.  Use recovery console and the fixboot command.
d.  Use recovery console and the chkdsk command.

Ans. c

Corrupt boot sector / master boot record

It's possible your computer's hard disk drive may have a corrupt boot sector or master boot record. These can be repaired through the Microsoft Windows Recovery console by running the fixboot and fixmbr commands.

http://www.computerhope.com/issues/ch000465.htm