System only boots in UEFI (aka Bios), grub shows no other options

[milkytwix]

@s4ndm4n

For this, the best would be @dalto .

You are more than right:

@dalto

sudo mount /dev/sdb2 /mnt -o subvol=@
sudo mount /dev/sdb1 /mnt/boot/efi
sudo arch-chroot /mnt

Will do so!