Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 1 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-Logic-Board/324/all#s1249 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 2 Remove the four identical Phillips screws from the memory door. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Logic-Board/324/all#s1250 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 3 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-Logic-Board/324/all#s1251 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 4 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-Logic-Board/324/all#s1254 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 5 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-Logic-Board/324/all#s1255 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 6 Remove the four Phillips screws on the port side of the computer. /Guide/Installing-MacBook-Pro-17-Inch-Models-A1151-A1212-A1229-and-A1261-Logic-Board/324/all#s1256 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 7 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-Logic-Board/324/all#s1257 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 8 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-Logic-Board/324/all#s1258 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 9 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-Logic-Board/324/all#s1259 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 10 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-Logic-Board/324/all#s1260 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 11 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-Logic-Board/324/all#s1297 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 12 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-Logic-Board/324/all#s1298 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 13 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-Logic-Board/324/all#s1299 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 14 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-Logic-Board/324/all#s1311 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 14 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-Logic-Board/324/all#s1311 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 14 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-Logic-Board/324/all#s1311 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 15 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-Logic-Board/324/all#s1312 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 16 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-Logic-Board/324/all#s1313 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 17 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-Logic-Board/324/all#s1314 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 18 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-Logic-Board/324/all#s1315 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 19 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-Logic-Board/324/all#s1316 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 20 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-Logic-Board/324/all#s1317 Installing MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Logic Board: Step 21 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-Logic-Board/324/all#s1318