Confirming the same issue - 4.4.0-72 works on Dell E7470 with intel, 4.4.0-77 doesn't. Seems like a kernel bug. xrandr showing screens but displays fall into sleep whatever I try. plymouth not affected, only X.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686189 Title: External monitor connecting problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686189/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
