I am not entirely sure what corrected the problem, but here are all of the steps I performed:
sudo apt-get install lightdm sudo dpkg-reconfigure lightdm sudo systemctl enable lightdm.service sudo reboot rm -rf .cache/compizconfig-1 rm -rf .compiz rm -rf .Xauthority rm -rf .config/autostart dconf reset -f /org/compiz setsid unity At this point, Unity sprang to life for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1569357 Title: Ubuntu 16.04 - Unity desktop session broken when using non-LightDM as X Display Manager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxdm/+bug/1569357/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs