Use a coin to rotate the battery-locking screw 90 degrees clockwise. /Guide/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2425 Lift the battery out of the computer. /Guide/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2426 Unscrew the three evenly-spaced Phillips screws from along the rear wall of the battery compartment. The screws are captive to the metal memory cover so you cannot lose them. /Guide/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2427 Rotate the L-shaped memory cover so it clears the battery compartment opening and lift it up and out of the computer. /Guide/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2428 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/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2430 Remove the two black T8 Torx screws securing the silver bracket to the hard drive. /Guide/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2431 Rotate the hard drive and remove the two black T8 Torx screws on the other side of the drive. /Guide/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2432 Lift the silver metal hard drive bracket off 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/MacBook-Core-2-Duo-Hard-Drive-Replacement/514/all#s2433