Your mini-DP and HDMI ports are probably connected to the Nvidia GPU so this is something of a bug in the Nvidia driver, or a misconfiguration.
** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-440 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1875892 Title: [nvidia][Lenovo P51] Mini-DP and HDMI ports are missing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-440/+bug/1875892/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp