How and why did you reset Unity? Have you tired to reinstall Unity from a tty with "sudo apt install unity --reinstall" ?
** Package changed: xorg (Ubuntu) => unity (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/1624033 Title: unity issue To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1624033/+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

