check that 'gsettings get org.compiz.unityshell:/org/compiz/profiles/unity/ disable-mouse' returns 'false'. Then toggling the setting from ccsm (unity - switcher) on and off fixed it for me..
check that 'gsettings get org.compiz. unityshell: /org/compiz/ profiles/ unity/ disable-mouse' returns 'false'. Then toggling the setting from ccsm (unity - switcher) on and off fixed it for me..