I did an upgrade to my Debian Jessie box and after that shutdown, hibernate and suspend options are disabled in the gui. I can not even connect any new wifi connections via Network Manager. Also printer settings can not be set. Why would it happen? Screenshot is as follows: Partial SolutionThis article solved the network manager issues except for handling 3G connections. 
shutdown, reboot, printer setup etc. unavailable to normal user after upgrading debian
debian;upgrade