In addition to the above; if anyone has previously had Ubuntu 17.10 installed on the affected system, it is possible this is due to bug 1734147. Please see if the bug's description matched with what you are seeing. If you're unsure, ask here for help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1805490 Title: [master] Grub2 Failed to install "efibootmgr failed to register the boot entry: Block device required." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/efibootmgr/+bug/1805490/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs