Replacing this keyboard is easy. It requires no tools and takes only a few minutes.
Turn the keyboard locking screw so that it is parallel to the space bar.
Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.
Lift the keyboard out by pulling it up and away from you. Rest the keyboard, face down, on top of the track pad.
Pull the keyboard ribbon straight up from the logic board. Place the keyboard aside.
Your laptop should look approximately like this.