Mandatory connection to the Internet.
The image of Linux Mint/Ubuntu, which is installed on the computer, recorded on a disk or flash drive.
1. Inserted into the computer’s disk or flash drive with the distribution, restart, and a bootable Linux system in Live mode.
2. After installation, open Boot Repair from the menu. Should start a system scan program:
3. When scanning is finished, the main window opens Boot Repair:
You can just click on the button Recommend a repair to start the recovery, and better make sure where you will install the GRUB boot loader by clicking on the button Advanced options ->GRUB location:
4. Click Apply, then start the update GRUB boot loader on the specified partition with the system:
In the recovery period, be careful, as they can be asked the questions and instructions with terminal commands that should be run to continue the restore process.
5. By the end of the restore GRUB, restart the computer.
That’s the way I restore GRUB after reinstalling Windows me and this method have not let down.
The second method is more long, you can download a LIVECD from an already installed Boot Repair
In our build of Linux Mint is already installed Boot Repair.
See Our distributions in the top menu of the website