MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Lower Case Replacement

Use your fingers to push both battery release tabs away from the battery and lift the battery out of the computer.

Remove the four identical Phillips 3.4 mm screws from the memory door. These screws have 4 mm diameter heads rather than the 3 mm heads on the body screws.

Lift the memory door up enough to get a grip on it, and slide it toward you, pulling it away from the casing.

Remove the three Phillips screws in the battery compartment near the latch. Apple was nice enough to tilt these screws at a slight angle to make them easier to remove. On the A1261 these screws have 4 mm diameter heads rather than the 3 mm heads on the body screws.

Remove the following six screws:

Two 14.5 mm T6 Torx screws on either side of the RAM slot.

Four 3.4 mm Phillips screws along the hinge.

Remove the four 3.4 mm Phillips screws on the port side of the computer.

Rotate the computer 90 degrees and remove the two Phillips screws from the rear of the computer.

Rotate the computer 90 degrees again and remove the four Phillips screws from the side of the computer.

Lift up the back of the case and work your fingers along the sides, freeing the case as you go. Once you have freed the sides, you may need to rock the case up and down to free the front of the upper case.

Disconnect the trackpad and keyboard ribbon cable from the logic board.

Remove the upper case.

Disconnect the orange SuperDrive ribbon cable from the logic board, removing tape as necessary.

Remove the following three screws:

Two black 4 mm T6 Torx screws on either side of the SuperDrive.

One 8.7 mm silver (black in some models) T6 Torx screw at the back of the drive near the speaker.

Use one hand to pull back the speaker cable and use your other hand to lift the optical drive up and out of the computer.

Disconnect the ten indicated connectors from the logic board.

Rotate the large display data cable to the left and disconnect the small right thermal sensor cable beneath.

Remove the single black 4 mm T6 Torx screw securing the clear plastic shield over the right ambient light sensor.

Lift the clear plastic shield off the right ambient light sensor.

Peel up the orange Kapton tape securing the left thermal sensor cable to the logic board.

Remove the following twelve screws:

Seven 6.5 mm T6 Torx screws.

Two shanked 7.6 mm T6 Torx screws securing the battery connector to the lower case.

Three 7.8 mm T6 Torx screws.

Lift up the left side of the logic board and disconnect the multi-colored power connector from the bottom of the board.

Grasp the logic board at the left side and at the thin section near the right fan, and rotate the logic board out of the lower case.

If the right speaker assembly remains attached to the logic board, hold the logic board with one hand and slide the speaker up slightly to free it from the logic board.

To properly reassemble your MacBook Pro, you'll have to clean off and replace the thermal compound from the three chips on the underside of the logic board. Use our Applying Thermal Paste Guide to prepare the processor and heat sink surfaces.

Disconnect the two antenna cables attached to the AirPort Extreme card.

Remove the single black 4 mm T6 Torx screw from the top right corner of the AirPort Extreme card.

Lift the AirPort Extreme card up and slide it out of its connector.

Remove the two 7.8 mm silver T6 Torx screws from the top left and bottom right corners of the left speaker assembly.

Lift up on the left speaker assembly and rotate it slightly. It is not possible to entirely remove the speaker yet, as it is still connected to the left I/O board beneath.

Disconnect the right speaker from the left I/O board. Make sure to pull on the top section of the white connector, not the cable itself.

Lift the right speaker assembly out of the computer.

Disconnect the two cables attaching the left speaker assembly to the left I/O board.

Peel up the iSight and inverter cables which are attached with a mild adhesive above the left fan.

Remove the five 7.8 mm T6 Torx screws securing the fans to the lower case.

Lift the heat sink and attached fans out of the computer.

Now is a good time to lean the fans back and clean out any dust bunnies from the grill. Also clean any dried thermal paste from the heat sink contact pads.

Remove the ten silver T6 Torx screws securing the display (five on each side). On the right a 9.6 mm screw secures the display data cable, also on the left the screw closest to the inside is 9.6 mm. The others are 7.8 mm.

Grasp the display assembly on both sides and lift it up and out of the computer.

Lift the Bluetooth assembly out of its slot on the left side of the hard drive.

Remove the two silver T6 Torx screws securing the gray metal retaining bracket to the right side of the hard drive.

Lift the gray metal retaining bracket out of the computer.

Lift the hard drive up from the right side and remove it from the computer. The Bluetooth assembly and orange ribbon cable are still attached to the hard drive and will come out with the hard drive.

Remove the four black 4 mm T6 Torx screws securing the left I/O board to the lower case.

Lift up the right side of the left I/O board and slide it out of the computer.

Peel up the orange tape covering the right thermal sensor.

Use a spudger or your fingernail to pry the right thermal sensor off the lower case.

Lower case remains.