Revised description: The cause is that the partition intendeed for EFI had been given an incorrect tag and thus was not mounted. The problem would have been uncovered if the installation would refuse to proceed without EFI-partion when one is required. (duplicate)
** Changed in: grub-installer (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784232 Title: Grub-install failed because of no EFI mounted, but msinfo32 indicates an older BIOS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1784232/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs