4Pull down on the keyboard release tabs (located to the left of the F1 and F9 keys) and then press down on the top portion of the keyboard.
5Let go of the keyboard release tabs to secure the keyboard in place.
6Replace the PowerBook battery or plug in the power adapter.
Warning: Never turn on your computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage your computer or cause injury.
PowerBook (FireWire) Memory (RAM) - 13