Remove the following 8 screws:

Eight 3.5 mm Phillips.

Two 3.5 mm Phillips near the sleep light connector.

One 3.5 mm Phillips with a large head in the lower left corner.

One 4.5 mm Phillips.

From top to bottom, disconnect the inverter, fan, and sleep light cables from the logic board.

When replacing the logic board, make sure that the inverter cable is not pinned under the logic board.

When replacing the logic board, make sure that the inverter cable is not pinned under the logic board.