8.When both the left and right sides have released, carefully pull up on the bottom case at the edge that is closest to you and rotate it away from you, pivoting evenly over the front edge to release a retaining clip that is located near the DVD drive slot.
Important: Do not force, twist or pry the bottom case if it binds or resists. The case should remove easily. If not, follow step 7 again, until the case releases.
Installing the AirPort Card
1.Touch the computer’s inside framework (a dull gray conductive composite material) to discharge any static electricity, as shown.
Important: To avoid electrostatic discharge damage, always ground yourself by touching the computer’s framework before you touch any parts or install any components inside the computer. To avoid static electricity building back up in your body, do not walk around the room until you have completed the installation and closed the computer.
PowerBook G4 AirPort Card - 5