after removing the keyboard you'll see the metal case with screws and connectors. again : be very gently with removing cables from connectors. especially if its your first repair..

picture 1 : red circle : connector remove it by gently pulling the little lid up and pull out the cable.

picture 2 :red circle : screw, remove it. Orange circle : audio connector , remove it with IC pliers. Lime circle : connector , remove like others. Blue circle: connector remove like others.

picture 3 : Green circle : audio, remove with IC pliers. Orange circle: power FAN connector , remove with IC pliers, Lime circle : power board connector , remove it very gently. Red circle : remove screw

there was one other screw at the metal case, it's at the right side just above the dvd bay player. I don't have a picture..