I was having a problem rather similar to this (although on different hardware). I found that installing a 4.3.xx version kernel from the mainline builds described above fixed the problem.
(Miraculously, I don't think it broke anything else either!) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1518976 Title: miniDisplay VGA adapter doesn't work after switching to 4.2 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1518976/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs