Description of problem: I was following setup steps in https://fedoraproject.org/wiki/QA:Testcase_Power_Management_tuned_off_idle In "gnome-control-center screen" run as *root* I tried to un-check "Dim screen to save power" or change "Lock screen after" and always got error message into console: ** (gnome-control-center:3556): WARNING **: failed to commit changes to dconf: The connection is closed Version-Release number of selected component (if applicable): control-center-3.6.1-1.fc18.x86_64 How reproducible: every-time Steps to Reproduce: 1. run gnome-control-center screen from console as root 2. try to un-check "Dim screen to save power" or change "Lock screen after" Actual results: error messages in console and options are unable to be changed. Expected results: options are able to be changed Additional info: It works fine when doing it as ordinary user.
$ rpm -q gnome-settings-daemon gnome-settings-daemon-3.6.1-2.fc18.x86_64
Don't run gnome-control-center as root. Don't run your session as root. *** This bug has been marked as a duplicate of bug 865530 ***