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I have a problem booting Windows 10 from grub. When I tried to do it I got this message:

/EndEntire
file path: /ACPI....../File(bootmgfw.efi)/EndEntire
error: cannot load image.

I then Googled and found this solved problem, which tells you to edit the grub.cfg file.

Edit /boot/grub/grub.cfg

Find

### BEGIN /etc/grub.d/30_os-prober ###

menuentry 'Windows 10 (loader) (on /dev/sdXX)'

After

chainloader +1

Write

ntldr /bootmgr

When I tried to apply that I got this error, in addition to the original one

error: can't find command `ntldr'.

This might be due to my grub.cfg file not looking like the one in the link but I don't know how to adapt the solution.

As the grub.cfg file is quite lengthy, this is the section mentioned in the other solution.

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows Boot Manager (on /dev/sda2)' --class windows --class     os $menuentry_id_option 'osprober-efi-4CBE-1366' {
    insmod part_gpt
    insmod fat
    set root='hd0,gpt2'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-    efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2  4CBE-1366
    else
      search --no-floppy --fs-uuid --set=root 4CBE-1366
    fi
        chainloader /EFI/Microsoft/Boot/bootmgfw.efi
    }
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
  set timeout=10
fi
### END /etc/grub.d/30_os-prober ###

The full file can be found here if needed.

I've tried to update grub, no difference.

Edit:

Output from terminal

kajsa@Yoga ~ $ sudo update-grub
[sudo] password for kajsa: 
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.4.0-53-generic
Found initrd image: /boot/initrd.img-4.4.0-53-generic
Found Windows Boot Manager on /dev/sda2@/EFI/Microsoft/Boot/bootmgfw.efi
Adding boot menu entry for EFI firmware configuration
done

Any suggestions?

Kajsa
  • 121

0 Answers0