solve Windows 7 bootmgr is missing


sometimes this error points to some problem with the hard drive, but usually
the problem has something to do with the partition creation.
if no data is need do the follow:

1. Boot from windows 7 installation CD.
2. Press Shift+F10 at the language screen.
3. Type diskpart
4. Type list disk
5. select disk {installtion drive}
6. Type clean
7. Create primary partition
8. Type format fs=ntfs quick
9  Type exit