The design is that if the computer fails to boot then the next boot will always show the GRUB menu, without needing to press any key. If that isn't working for you, then you have some other bug.
Are you by any chance using any or all of LVM, RAID, or btrfs? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721235 Title: Show hint on boot that Shift key will display Grub menu -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs