Installing MacBook Core Duo Hard Drive Replacement: Step 1 Use a coin to rotate the battery-locking screw 90 degrees clockwise. /Guide/Repair/MacBook-Core-Duo-Hard-Drive-Replacement/282/all#s1066 Installing MacBook Core Duo Hard Drive Replacement: Step 2 Lift the battery out of the computer. /Guide/Repair/MacBook-Core-Duo-Hard-Drive-Replacement/282/all#s1067 Installing MacBook Core Duo Hard Drive Replacement: 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-Hard-Drive-Replacement/282/all#s1068 Installing MacBook Core Duo Hard Drive Replacement: 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-Hard-Drive-Replacement/282/all#s1069 Installing MacBook Core Duo Hard Drive Replacement: Step 5 Grasp the white plastic tab attached to the hard drive and pull it to the right, removing the hard drive from the computer. The hard drive goes back into its compartment with the label facing down. /Guide/Repair/MacBook-Core-Duo-Hard-Drive-Replacement/282/all#s1071 Installing MacBook Core Duo Hard Drive Replacement: Step 6 Remove the two black T8 Torx screws securing the silver bracket to the hard drive. /Guide/Repair/MacBook-Core-Duo-Hard-Drive-Replacement/282/all#s1072 Installing MacBook Core Duo Hard Drive Replacement: Step 7 Rotate the hard drive and remove the two black T8 Torx screws on the other side of the drive. /Guide/Repair/MacBook-Core-Duo-Hard-Drive-Replacement/282/all#s1073 Installing MacBook Core Duo Hard Drive Replacement: Step 8 Lift the silver metal hard drive bracket off of the hard drive. You'll need to transfer this metal bracket to your new hard drive. If you are installing a new hard drive, we have an OS X install guide to get you up and running. /Guide/Repair/MacBook-Core-Duo-Hard-Drive-Replacement/282/all#s1074