Please retest with the latest daily image from saucy, which includes a new version of shim:
http://cdimage.ubuntu.com/daily-live/current/saucy-desktop-amd64.iso ** 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/1196173 Title: Unable to secure boot 13.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1196173/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs