SD, you are a great help in many cases.
Unfortunately, this time you are wrong. Wifi, ethernet adapter, bluetooth, infrared, all working fine.
The whole part called network connections, my network places, network setup wizzard is simply gone. No icon in the tray at all.
The macine only connects to one network, at home. Cannot switch from wifi to ethernet anymore.
Network magic does it now.
There is something more to this and I understand that I am not alone with this problem. Even some helpful guys and girls at the microphone with Microcrap confirmed this.....
Network magic has a free of cost testing phase, may be a solution to see if this lps before spending money....
