Hi, this appears to be a hardware problem. I opened my laptop up, reset the keyboard ribbon cable and the problem has gone away. It appears to be a common problem on zenbooks. Thanks for all your help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1213422 Title: L Ctrl + Up produces no udev event To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1213422/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs