Fix UEFI Boot on lenovo

prepare.sh

#!/bin/bash
mkdir -p /mnt/system/boot
mount /dev/sda2 /mnt/system
mount /dev/sda1 /mnt/system/boot
mount proc -t proc /mnt/system/proc
mount -o bind /dev /mnt/system/dev
mount -o bind /run /mnt/system/run

apt install efibootmgr

# efibootmgr -c -d /dev/sda -p 1 -l '\EFI\ubuntu\grubx64.efi' -L "Windows Boot Manager"
# or
# efibootmgr -c -d /dev/sda1 -p 1 -l '\EFI\ubuntu\grubx64.efi' -L "Windows Boot Manager"

efibootmgr -v

echo 'sudo efibootmgr -o AAAA,XXXX,YYYY,ZZZZ'