luizomf/restore-grub.md

Created July 30, 2021 17:08

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Restore Ubuntu Grub EFI

Raw

sudo mount /dev/sdXY /mnt
sudo mount /dev/sdXX /mnt/boot/efi
for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done
sudo chroot /mnt
grub-install /dev/sdX
update-grub

Note : sdX = disk | sdXX = efi partition | sdXY = system partition

Source: https://askubuntu.com/questions/831216/how-can-i-reinstall-grub-to-the-efi-partition