How to fix Archlinux grub error after Windows 10 Update (EFI) Aug 17, 2018 #linux #archlinux Boot with Live USB mount /dev/archlinux_partition /mnt arch-chroot /mnt mount /dev/efi_partition /mnt/boot/efi grub-install /dev/disk grub-mkconfig -o /boot/grub/grub.cfg exit from chroot and reboot