more information: (Fn+F8) send key code (WindowsKey + P).
There are four display mode: (you can see it as you plug an external display, and press WindowsKey + P_ - Mirror - Joint Displays - External Only - Built-in Only When we press WindowsKey + P: - On Xenial, we switch to Next mode - On Bionic, we switch to the first mode -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772811 Title: Can not select Video mode precisely by Video-out hotkey To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1772811/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs