menuentry "start OS on this computer" {
set gfxpayload=keep
    search --no-floppy --file --set=root /boot/grub/grubenv
configfile  /boot/grub/grub.cfg
}

/boot/grub/grub.cfg

sudo efibootmgr -v

sudo efibootmgr -b XXXX -A

bcdedit /set {current} path EFIubuntugrubx64.efi

bcdedit /set {current} path EFIubuntushimx64.efi