After much experimenting, the problem seems to be with the nvidia driver. Updating it to nvidia-361 made *this* problem go away, except it renamed all outputs, refused to show anything on eDP-1 and made the whole thing hung in 5 minutes after reboot. Reverted to 15.10 which has less difficulties.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1561452 Title: Cannot activate third display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1561452/+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
