Apple G4 (12-INCH DVI) manual

5.Place a black stick just under the top edge of the board at the modem standoff. Disconnect the DC-to-DC board from the logic board by prying up the DC-to-DC board and removing it from the computer assembly.

6. Install the replacement DC-to-DC board, and reassemble and test the computer.

DC-to-DC Board PowerBook G4 (12-inch) Take Apart - 49