I enabled Secure Boot and it's working now, thanks for help. But still, I'm absolutely sure that I got this secure boot failure on 02/07 and I had to disable it in order to boot.
-- 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