I verified in the intial install logs (/var/install/syslog) that erroneously grub-efi was installed instead of grub-pc:
Code: Jun 13 13:45:35 ubuntu grub-installer: info: architecture: amd64/efi ... Jun 13 13:45:38 ubuntu grub-installer: Removing grub-pc ... Jun 13 13:45:39 ubuntu grub-installer: Purging configuration files for grub-pc ... Jun 13 13:45:40 ubuntu grub-installer: Removing grub-gfxpayload-lists ... Jun 13 13:45:40 ubuntu grub-installer: Removing grub-pc-bin ... ... Jun 13 13:45:44 ubuntu ubiquity: The following extra packages will be installed: Jun 13 13:45:44 ubuntu ubiquity: efibootmgr grub-common grub-efi-amd64 grub-efi-amd64-bin grub2-common ... Jun 13 13:45:57 ubuntu ubiquity: Setting up grub-efi (1.99-21ubuntu3.1) ... ... Jun 13 13:45:58 ubuntu grub-installer: info: Installing grub on 'dummy' Jun 13 13:45:58 ubuntu grub-installer: info: grub-install supports --no-floppy Jun 13 13:45:58 ubuntu grub-installer: info: Running chroot /target grub-install --no-floppy --force Jun 13 13:45:59 ubuntu grub-installer: Installation finished. No error reported. Jun 13 13:45:59 ubuntu grub-installer: info: grub-install ran successfully -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1015211 Title: Ubiquity installed grub-efi when it should have installed grub-pc To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1015211/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs