MCB PRO KEYBOARD AND TRACKPAD NOT RERSPONDING
13" MCB PRO RETINA MID 2014, KEYBOARD AND TRACKPAD NOR RESPONDING, EXTERNAL VIA USB OK, HAVE TRIED MOST RESETS AS PER INTERNET ANSWERS CHANGED THE BATTERY AND TRACKPAD RIBBON STILL NOTHING GETTING FRUSTRATED, USING EL CAPITAN WHICH HAS BEEN REINSTALLED
MacBook Pro with Retina display, iOS 8.3