Have resolved the issue by installing yakkety kernel: sudo add-apt-repository ppa:canonical-kernel-team/ppa sudo apt update sudo apt install linux-image-generic-lts-yakkety
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1581560 Title: system crash when attaching external display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1581560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs