Windows 7/8 MBR repair

This is sometimes needed when (manual) restoring backup,
or removing HD that was primary boot after installing new OS on a second drive.

Restore, Fix, Repair Master Boot Record in Windows 8 | 7

How to Fix Windows 7 When It Fails to Boot

System will not boot to Windows 7 Professional [Solved] - Windows 7 - Windows 7:

BOOTREC /FIXMBR and press Enter
BOOTREC /FIXBOOT and press Enter.
BOOTREC /SCANOS and press Enter.
BOOTREC /REBUILDBCD and press Enter.

3. If it’s not successful or you receive ‘No operating system found’ or ‘Element not found’ messages, go back to the Command Prompt and make the partition active by typing these commands:
DISKPART and press Enter.
LIST DISK and press Enter.
SELECT DISK N and press Enter (N represents the disk you want).
LIST PARTITION and press Enter.
SELECT PARTITION N and press Enter (N represents the partition you want).
ACTIVE and press Enter.
EXIT and press Enter.

bootmgr not found. bootrec /rebuildbcd and /fixboot give 'Element not found" error

Bcdboot C:\windows

I moved the SATA cable to another port,.. that fixed the problem for me...

(BIOS on the computer required to boot from primary port)