Ubuntu "Could not get screen information" after upgrade

If you do a ps x|grep control-center command in a terminal window, you may expect gnome-control-center as result. Close this control center window and instead type unity-control-center in a terminal window.

This control center will show your screen information. Pin it in the launcher for future use and possibly pin out the former one.

reinstalling the Unity Control center worked for me :

sudo apt remove unity-control-center

sudo apt install unity-control-center

(Ubuntu 16.04 with Unity)

I've some trick for this: right click on screen, choose "Change desktop background", click on "All settings" and go to "Displays".

This way it's works for me, but through Settings -> Display doesn't