Use your fingers to push both battery release tabs away from the battery and lift the battery out of the computer. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1249 Remove the four identical Phillips screws from the memory door. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1250 Lift the memory door up enough to get a grip on it, and slide it toward you, pulling it away from the casing. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1251 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. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1254 Remove the following six screws: Two T6 Torx screws on either side of the RAM slot. Four Phillips screws along the hinge. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1255 Remove the four Phillips screws on the port side of the computer. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1256 Rotate the computer 90 degrees and remove the two Phillips screws from the rear of the computer. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1257 Rotate the computer 90 degrees again and remove the four Phillips screws from the side of the computer. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1258 Do not yank the upper case off quickly. The case is attached to the logic board via a ribbon cable. 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. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1259 Disconnect the trackpad and keyboard ribbon cable from the logic board. Remove the upper case. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1260 Disconnect the orange SuperDrive ribbon cable from the logic board, removing tape as necessary. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1297 Remove the following three screws: Two black T6 Torx screws on either side of the SuperDrive. One longer silver T6 Torx screw at the back of the drive near the speaker. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1298 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. If you have a CD or any other object jammed in your optical drive, we have an optical drive repair guide. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1299 Disconnect the ten indicated connectors from the logic board. The connectors have different positions for the four MacBook Pro revisions covered by this guide, and their locations are highlighted in the three pictures on this step. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1311 Disconnect the ten indicated connectors from the logic board. The connectors have different positions for the four MacBook Pro revisions covered by this guide, and their locations are highlighted in the three pictures on this step. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1311 Disconnect the ten indicated connectors from the logic board. The connectors have different positions for the four MacBook Pro revisions covered by this guide, and their locations are highlighted in the three pictures on this step. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1311 Rotate the large display data cable to the left and disconnect the small right thermal sensor cable beneath. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1312 Remove the single black 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. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1313 Peel up the orange Kapton tape securing the left thermal sensor cable to the logic board. If you have a MacBook Pro 17" Model A1229, this is the middle thermal sensor. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1314 Remove the following twelve screws: Seven 6.5 mm T6 Torx screws. Two 7.6 mm T6 Torx screws securing the battery connector to the lower case. Three 7.8 mm T6 Torx screws. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1315 Lift up the left side of the logic board and disconnect the multi-colored power connector from the bottom of the board. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1316 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. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1317 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. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1318 Disconnect the two antenna cables attached to the AirPort Extreme card. The cable with the gray shielding attaches to the left side connector, while the cable with the white shielding attaches to the right side. If you have a MacBook Pro 17" Model A1229, there are three antenna cables attached to the AirPort Extreme card instead of two. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1369 Disconnect the two antenna cables attached to the AirPort Extreme card. The cable with the gray shielding attaches to the left side connector, while the cable with the white shielding attaches to the right side. If you have a MacBook Pro 17" Model A1229, there are three antenna cables attached to the AirPort Extreme card instead of two. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1369 Remove the single black T6 Torx screw from the top right corner of the AirPort Extreme card. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1370 Lift the AirPort Extreme card up and slide it out of its connector. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1371 Remove the two silver T6 Torx screws from the top left and bottom right corners of the left speaker assembly. The magnet in the MagSafe connector may pull the upper screw towards it after the screw has been freed. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1372 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. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1373 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. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1374 Lift the right speaker assembly out of the computer. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1375 Disconnect the two cables attaching the left speaker assembly to the left I/O board. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1376 Peel up the iSight and inverter cables which are attached with a mild adhesive above the left fan. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1377 Remove the five T6 Torx screws securing the fans to the lower case. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1378 Lift the heat sink and attached fans out of the computer. If you are replacing the heat sink, be sure to transfer the attached thermal sensor to your new heat sink. If you need to mount the heat sink back into the laptop, we have a thermal paste guide that makes replacing the thermal compound easy. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Heat-Sink/336/all#s1381