try this. follow the same steps to either open a terminal from your black screen (ctrl-alt T) or switch to a new console (ctrl-alt F1) then type the following to reset compiz
gconftool-2 -recursive-unset /apps/compiz-1 unity --reset if that does not work try cd ~; rm -rf .gnome .gnome2 .gconf .metacity .compiz-1 .config/compiz-1 .config/dconf either of those steps should reset compiz to default settings. -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/963633 Title: Unity 5.8: Login to blank screen (all black or just wallpaper) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/963633/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp