5.Install the replacement logic board, and reassemble and test the computer.

Replacement Note: Before securing the replacement logic board in the bottom case, make sure the white plastic wireless guide is fitted against the AirPort Extreme Card carrier in the bottom case. (The wireless guide requires no screws to hold it in place.)

96 - PowerBook G4 (12-inch) Take Apart

Logic Board

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Apple G4 (12-INCH DVI) manual