Ubuntu
grub2 package

  1. Bug #1839317
  2. Comment #11

Comment 11 for bug 1839317

Revision history for this message
Rene Meier (meier.rene) wrote : Re: Grub fails to chainload the Windows Boot Manager

I'm also facing the same problem and I found a solution which worked for me on amd64. My system is using UEFI without secure boot from a gpt partitioned drive.

Please try to install the package shim-signed.

This fixed the problem for me. Chainloading Windows even works after uninstalling the package again. So I expect it is something related to the installation process of the package. Maybe it leaves some important files in /boot after uninstalling.