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Lift the cover off the logic board and set it aside.

Remove the two 1.5 mm ( 1.2 mm ) Phillips screws securing the keyboard/trackpad cable cover to the logic board. Use the flat end of a spudger to lift the subwoofer/right speaker connector out of its socket on the logic board.

Use the flat end of a spudger to lift the optical drive connector out of its socket on the logic board.ĭisconnect the hard drive/IR sensor cable from its socket on the logic board by lifting up from beneath its connector. Use the flat end of a spudger to pry the AirPort/Bluetooth connector up from its socket on the logic board. Pull the cable parallel to the face of the logic board. Pulling upward on the cable may damage both the cable and the logic board.  Don't lift upward on the camera cable as you disconnect it. Pull the camera cable out of its socket on the logic board. Lift the right fan out of its opening in the logic board. Remove the three 3.4 mm (3.1 mm) T6 Torx screws securing the right fan to the logic board.  It is useful to twist the spudger axially from beneath the fan cable wires to release the connector. Use the flat end of a spudger to lift the right fan connector out of its socket on the logic board. INTRODUCTION This guide is a prereq only. MacBook Pro 15" Unibody Early 2011 Logic Board Replacement Logic Board prereq. MacBook Pro 15" Unibody Early 2011 Logic Board Replacement