42 - PowerBook G4 (15-inch FW800) Take Apart Keyboard
4. Install the keyboard screws in the order shown.
5. Install new or reinstall the insulator film. Remove any protective cover from the
adhesive and fit the small round hole in the film over the raised screw boss (one on
each side) to start the alignment. Avoid wrinkles or bulges.
On the power button side, run your finger along the film where it folds over the edge
of the keyboard bay, to help secure the adhesive and prevent light leakage.
Important: The film must be installed and in the same location to protect against
contact and electrical shorting in certain areas and to allow contact with the EMI
spring on the logic board.