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-15-Inch-Core-Duo-Left-Fan/501/all#s2235 Remove the three identical Phillips screws from the memory door. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2236 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-15-Inch-Core-Duo-Left-Fan/501/all#s2237 Remove the two Phillips screws in the battery compartment near the latch. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2240 Remove the following 6 screws: Two 10 mm T6 Torx screws on either side of the RAM slot. Four 14.5 mm Phillips screws along the hinge. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2241 Remove the four Phillips screws on the port side of the computer. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2242 Rotate the computer 90 degrees and remove the two Phillips screws from the rear of the computer. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2243 Rotate the computer 90 degrees again and remove the four Phillips screws from the side of the computer. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2244 Do not yank the upper case off quickly. The case is attached to the logic board via a ribbon cable. Lift up at the rear 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-15-Inch-Core-Duo-Left-Fan/501/all#s2245 Disconnect the trackpad and keyboard ribbon cable from the logic board, removing tape as necessary. Remove the upper case. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2246 Disconnect the iSight, inverter, and left fan cables from the logic board. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2350 Use a spudger to flip up the brown plastic flap securing the left ambient light sensor cable to the logic board. Slide the left ambient light sensor cable to the left and out of its connector. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2351 Peel up the left ambient light sensor cable from above the left fan. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2352 Peel up the iSight and inverter cables from above the left fan, removing tape as necessary. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2353 Remove the following 3 screws: One 6.2 mm black T6 Torx screw from the right side of the fan. Two 9.4 mm silver T6 Torx screws from the left side of the fan. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2354 Lift the lift fan up and carefully peel up the tape securing the fan to the heat sink as you go. /Guide/Repair/MacBook-Pro-15-Inch-Core-Duo-Left-Fan/501/all#s2355