Tested on the same device with image http://cdimage.ubuntu.com/daily- live/20190926.1/eoan-desktop-amd64.iso
It works fine now! And after install, I checked that grub2 package was indeed v2.04-1ubuntu6. Merci Mathieu ! ** Tags added: ce-qa-verified -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845466 Title: UEFI/Secureboot - "Failed to start MokManager" error when trying to install 3rd party drivers during install, leading to unbootable device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1845466/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs