Step 1: Prepare laptop.
flat head screwdriver.
ram chip (-s)
turn laptop off , take out batery and disconect charger.
Step 2: Getting in.
On other laptops that screw or crews are marked with simbol showed below.
Step 4: Keyboard.
Pull laches away and RAM will lift up.
All you need to do is pull that out and put the new one in as it is showed in second image.