If you have this problem, then try it with unchecking the following keys via gconf-editor:
/apps/gnome-power-manager/general/use_profile_time /apps/gnome-power-manager/general/use_time_for_policy
found at: http://ubuntuforums.org/showthread.php?t=487258
If you have this problem, then try it with unchecking the following keys via gconf-editor:
/apps/gnome- power-manager/ general/ use_profile_ time power-manager/ general/ use_time_ for_policy
/apps/gnome-
found at: http:// ubuntuforums. org/showthread. php?t=487258