This happened to me as well, and I'm on 14.04 Trusty Gnome It happened to me because I deleted the default key ring which then brought other failures
Not sure if thats a bug or not, but it might be a good idea to have the "default key" default to nothing if it isn't specified -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/999888 Title: Missing brightness control in System Settings/Brightness and Lock To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/999888/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs