Installing MacBook Pro 17" Core Duo Left I/O 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/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1249 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 2 Remove the four identical Phillips screws from the memory door. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1250 Installing MacBook Pro 17" Core Duo Left I/O 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/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1251 Installing MacBook Pro 17" Core Duo Left I/O 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/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1254 Installing MacBook Pro 17" Core Duo Left I/O 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/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1255 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 6 Remove the four Phillips screws on the port side of the computer. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1256 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 7 Rotate the computer 90 degrees and remove the two Phillips screws from the rear of the computer. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1257 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 8 Rotate the computer 90 degrees again and remove the four Phillips screws from the side of the computer. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1258 Installing MacBook Pro 17" Core Duo Left I/O 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/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1259 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 10 Disconnect the trackpad and keyboard ribbon cable from the logic board. Remove the upper case. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1260 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 11 Disconnect the hard drive ribbon cable from the logic board. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1351 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 12 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. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1352 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 13 Remove the five black T6 Torx screws securing the left I/O board to the lower case. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1353 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 14 Move the orange hard drive ribbon out of the way with one hand. Use your other hand to lift up the right side of the left I/O board and slide it out of the computer. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1354 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 15 Turn the left I/O board over. Use a spudger to disconnect the short orange cable from the left I/O board. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1355 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 16 Peel up the L-shaped piece of black tape on the I/O board to reveal the two silver Phillips screws beneath. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1356 Installing MacBook Pro 17" Core Duo Left I/O Board: Step 17 Remove the following four screws: One 3.2 mm black Phillips screw with a small head. Three 1.3 mm silver Phillips screws with large heads. The I/O board is now free from the ExpressCard cage. /Guide/Repair/MacBook-Pro-17-Inch-Core-Duo-Left-I-O-Board/333/all#s1357