I believe this comment might provide a workaround to the "no access to GRUB options" problem:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1273764/comments/8 It's about another bug in which grub ignores the timeout options in /etc/default/grub -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1289809 Title: Grub theme: black screen with purple border To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1289809/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
