Please show the output of the following command on the affected system: sudo efibootmgr
** 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/1437797 Title: I can't boot ubuntu after installing it dual-boot from kubuntu 14.10 CD prallel to windows 8.1, UEFI secure boot, on an Acer Aspire E15. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1437797/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs