Specifications

PowerBook G4 (12-inch 1.33 GHz) Take Apart - 27
Top Case
4. Remove two screws from the front right side of the top case.
Note: The shape of the two 3-mm long screws differs from most of the screws used
in the computer. The screw has a collar under the screw head.
Replacement Note: In addition to securing the top case to the bottom case, the two
3-mm long screws help secure an inner bracket to the battery well. Make sure the
bracket and two latches are installed in the bottom case before replacing the top
case.
5. Remove two screws from the front left side of the top case.
Replacement Note: When installing the top case, install these two 5.5-mm long
screws before installing the 3-mm long screws.