Installing MacBook Core Duo Fan: Step 1 Use a coin to rotate the battery-locking screw 90 degrees clockwise. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1066 Installing MacBook Core Duo Fan: Step 2 Lift the battery out of the computer. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1067 Installing MacBook Core Duo Fan: Step 3 Remove the three evenly-spaced Phillips screws from along the rear wall of the battery compartment. The screws are captive to the metal memory cover. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1068 Installing MacBook Core Duo Fan: Step 4 Lift up on L-shaped memory cover, slide it to the right, and lift it out of the computer. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1069 Installing MacBook Core Duo Fan: Step 5 Remove the following 3 screws: One 11 mm Phillips in the middle of the case. Two 14.5 mm Phillips. If the screws stick in the case, you can use a magnetized screwdriver to draw them out. The shorter of the three screws goes in the middle. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1075 Installing MacBook Core Duo Fan: Step 6 Remove the following 3 screws from the rear wall of the battery compartment: Two 3 mm Phillips. One 4 mm Phillips on the right side. When reinstalling these screws, it may be helpful to push down on the lower case to line up the screw holes. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1076 Installing MacBook Core Duo Fan: Step 7 Remove the two Phillips screws from either side of the right wall of the battery compartment (not the ones closest to the battery connector). /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1077 Installing MacBook Core Duo Fan: Step 8 Remove the four indicated Phillips screws from the front wall of the battery compartment. When working from the left, remove the 2nd, 4th, 7th and 9th screw. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1078 Installing MacBook Core Duo Fan: Step 9 Remove the following 4 screws from the back of the computer: Two 7 mm Philips on the far sides. Two 10.5 mm Phillips toward the center. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1080 Installing MacBook Core Duo Fan: Step 10 Remove the two Phillips screws from the optical side of the computer. It is not necessary to remove the similar screws on the other side of the computer. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1081 Installing MacBook Core Duo Fan: Step 11 There's a trackpad and keyboard ribbon connecting the upper case to the logic board, so don't pull the upper case off entirely just yet. Starting near the display and working around to the front of the computer, pry up on the upper case. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1082 Installing MacBook Core Duo Fan: Step 12 While holding up the upper case, use a spudger to pry up the orange trackpad and keyboard cable from its connector. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1083 Installing MacBook Core Duo Fan: Step 13 Use a spudger to disconnect the orange optical drive cable from the logic board. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1112 Installing MacBook Core Duo Fan: Step 14 Use a spudger to disconnect the black fan connector from the logic board. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1113 Installing MacBook Core Duo Fan: Step 15 Deroute the fan cable from behind the tab on the left side of the fan. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1114 Installing MacBook Core Duo Fan: Step 16 Peel up the silver foil tape between the fan and the optical drive. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1115 Installing MacBook Core Duo Fan: Step 17 Use a spudger to move the gray display data and black speaker cables to the right. This will reveal a silver screw securing the fan housing to the lower case. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1116 Installing MacBook Core Duo Fan: Step 18 Remove the following 2 screws: One 3 mm Phillips on the right side of the fan. One 6 mm Phillips on the left side of the fan. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1117 Installing MacBook Core Duo Fan: Step 19 Push down on the left side of the fan and slide it slightly to the right in order to free the fan from the indicated tab on its right side. You can also use the tip of a spudger to free the tab on the right side of the fan. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1118 Installing MacBook Core Duo Fan: Step 20 Lift the fan out of the computer, being careful not to rip the black felt tape. /Guide/Repair/MacBook-Core-Duo-Fan/290/all#s1119