How to repair Windows 7 MBR

If you have MBR corrupted, Windows won't boot and neither "Startup Repare" or "System Restore" from System Recovery options on System Repair CD would fix it.
Here is what needs to be done:

1. Boot from Windows 7 instllation DVD or Recovery CD. (don't forget to change boot order in the BIOS if needed)
2. Choose your default "Language", "Time", and "Keyboard Input", click Next
3. Click on "Repair Your Computer" and choose "Command Prompt"
4. Type  bootsect /nt60 C: /mbr and press Enter
5. Reboot