Unscrew the pictured screwed holding the memory cover in place.

Pry the cover open carefully (flathead screwdriver might help)

To remove the RAM memory sticks, push both metal pieces holding them in place outwards, and the sticks will pop up. -picture of RAM inside -

Pull the sticks out carefully. - Picture of the RAM stick -

Using a small spudger, pry up the two rubber feet to reveal the screw holes underneath.