So just to be sure, you're saying that this was an existing system which was installed with 14.04 and was working fine, then after upgrade, it stopped working?
Please attach to this bug: - a copy of /var/log/apt/term.log - a directory listing of /boot/efi/EFI/ubuntu/ - the output of 'efibootmgr -v' ** Changed in: shim (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1489987 Title: Secure Boot failed on Ubuntu 14.04 on Dell E7440 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1489987/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs