Step 7
Your laptop should look approximately like this.
Step 8 — Airport Card
Skip this step if your computer does not have an Airport card.
Firmly grasp the plastic tab attached to the Airport card and pull up and to the left.
Disconnect the antenna cable from the left side of the Airport card.
Step 9 — Hard Drive
Disconnect the hard drive ribbon from the logic board using a spudger or the tip of your finger, removing tape as necessary.