Specifications

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 31
Top Case
11. Raise the top case up slightly from the bottom case until you can access the cables
that are connected under the top case.
12. Important: Do not forcefully remove the top case.
With the cables still connected, carefully move the top case aside to disconnect the
microphone cable and power cable.
13. Remove the top case from the computer.