You did install them to separate drives, correct?
You did install them to separate drives, correct?


tree /boot/efi

sudo efibootmgr --create --disk /dev/sda --part 1 --label "Windoze" --loader "/EFI/Boot/bootx64.efi" tree /boot/efisudo efibootmgr --create --disk /dev/sda --part 1 --label "Windoze" --loader "/EFI/Boot/bootx64.efi"