Restore the MBR (Master Boot Record) / Grub after delete Linux with dual boot

       For those who install a dual boot on laptop / PCnya, such as Ubuntu with Windows 7 may one day be bored with Ubuntu is installed on the laptop / PCnya and want to delete it. Incidentally it is only yesterday I experienced when I remove the Ubuntu partition on my laptop, then i restart it does not appear when booting grub should alias ERROR. But then I managed to fix it, I will share the steps to restore the MBR error earlier.

The steps :

1. Insert the Windows 7 Installer DVD, then select "REPAIR COMPUTER"
(do not select the "Install Now").
2. Then go to "Command Prompt".
3. After logging into the Command Prompt, type:
     - bootrec.exe / fixmbr, and then press ENTER
     - bootrec.exe / fixboot, then press ENTER
4. Then restart the Laptop / PC.
5. Completed.