I'm having the same issue, but I'm booting using Legacy/CSM mode on my Lenovo Thinkpad T430 running Ubuntu (MATE) 18.04.1.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/425979 Title: [UEFI boot only] Holding shift fails to display grub2 menu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/425979/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs