It appears you know how to get to a terminal. I suggest trying a different DM (e.g. gdm3) to see if the issue is just with lightdm. If possible, run this command to gather the logs: apport-collect 978937
** Package changed: ubuntu => xorg (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/978937 Title: Nvidia mode is set to an incompatible mode, xorg.conf ignored To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/978937/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

