when i turned on my machine i couldn't find any desktop icons or menu bars or anything just blank wallpaper background.I searched for solutions here but none of it solved my problem.
What i have tried: try to open terminal via ctrl+alt+T but not working then tried ctrl+alt+f1 it opened the terminal then tried as per the instruction on this.
in that it says to try this: sudo apt-get install compizconfig-settings-manager output is : compiz config not installed or something.
then i tried to upgrade from 14.04 LTS using sudo do-release-upgrade. it says upgaded but still not solved the problem somebody please help me out here