Grub2
Загрузка установленного Windows из Grub2
menuentry "1 Windows 11" --hotkey=1 --class windows10 {
insmod part_msdos
insmod ntfs
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 ТУТ_ВАШ_UUID
else
search --no-floppy --fs-uuid --set=root ТУТ_ВАШ_UUID
fi
parttool ${root} hidden-
drivemap -s (hd0) ${root}
chainloader +1
}