This was solved by running this command, recommended by frantou over at the old AskFedora forum.
gsettings set org.gnome.desktop.lockdown disable-lock-screen false I never messed with these settings, but this fix did work. ** Changed in: gnome-screensaver (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/1919084 Title: Screen not locked when coming out of suspend/hibernate To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1919084/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs