Repairing GRUB

The GRUB Bootloader is a useful but fragile bootloader. it handles all the partitions you can boot from. But with FBR, its easy to repair! first, download the latest release of FBR. Once it is downloaded, open a terminal. Go to where you downloaded it (is usually /home/USERNAME/Downloads) and run chmod +x fbr.sh This will allow us to run the script. Then type bash fbr.sh You should see this, on the latest version of FBR:

FBR Version: v1.1
Disclaimer: if you are running on a Live USB, CHROOT INTO YOUR HARD DRIVE FIRST
1) Repair GRUB		3) Reinstall GRUB MBR
2) Reinstall GRUB UEFI	4) Quit
Please enter your choice:```


Select the First option.
Enter your password when prompted and grub should be repaired fine!