6 Flip the keyboard over and lay it on the palm rests.
7Touch a metal surface inside the computer to discharge any static electricity.
Important: To avoid electrostatic discharge, always ground yourself by touching a metal surface 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 your installation and closed the computer.
8Grasp the keyboard cable as close as possible to the connector and pull up to disconnect the keyboard from the logic board. Rock the cable carefully if additional leverage is needed.
Keyboard
Cable
.
4 - PowerBook (FireWire) Keyboard