Step 28
Turn over the computer and open it.
Pry up the magnet covering a Phillips screw near the middle of the computer.
Step 29
Remove the following 4 screws on the edges of the keyboard area.
One 4.5 mm Phillips underneath where the magnet was.
Three 6 mm Phillips in plastic depressions.
Step 30
Peel up the foil tape covering the speaker cable near the ports.