Thanks. It looks like an Intel-graphics-only system. So if the extra display doesn't show up in xrandr, can you please run this command to see if it's showing up in the kernel?
grep . /sys/class/drm/*/enabled grep . /sys/class/drm/*/status grep . /sys/class/drm/*/dpms Ideally both with and without the dock connected. ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1816860 Title: Second display does not show up on dock of Lenovo Helix 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1816860/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs