PowerBook G4 (17-inch) Take Apart -
19
Top Case
Replacement Procedure
Note:
If replacing the top case, remove the keyboard and transfer it to the replacement top
case.
1. Verify the thermal pad shown here is in place. If not, check whether it is stuck under
the removed top case and replace. If not, install a new pad.
2. Visually check to verify that all cables (highlighted below) are connected and routed
correctly with nothing raised up or incorrectly over a component.