@Colin, I downloaded the daily-live cdimage in 20130913.
1) Secure boot Enabled. It prompt Could not open "\EFI\BOOT\fallback.efi":14 then go into the recovery partition, show the restore UI. 2) Secure boot Disabled and set "UEFI First" in "UEFI/Legacy Boot Priority" It prompt Could not open "\EFI\BOOT\fallback.efi":14 then reboot the laptop ceaselessly. 3) Secure boot Disabled and set "Legacy First" in "UEFI/Legacy Boot Priority" Startup into the installation UI, works fine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1097570 Title: grub2-signed can not find the right device when there are two filesystems containing the file '.disk/info'. To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1097570/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs