How to Replace the Hard Drive on an Aluminum Macbook Pro

Shut down the MacBook Pro and disconnect all cables and devices. Allow the computer to cool for 10 minutes before moving to the next step.
Remove the 10 screws that secure the bottom case. The short screws must be removed at an angle. To view the angles, review Page 38 of the MacBook Pro manual (see Resources). Tape each screw to a piece of paper that indicates their original position in the computer case. Lift the case off and put it out of the way.
Touch your finger to a metal surface on the computer’s interior to discharge static electricity that may be present in your body.
Remove the two screws that hold down the bracket that holds the hard drive in place. Tape the bracket and the screws to the second sheet of paper.
Pull up on the tab coming from under the hard drive to lift it from the drive bay. Use a gentle, steady motion.
Disconnect the connector from the drive by pulling the connector as you grip the drive on the left side.
Remove the mounting screws from this disk drive if the replacement drive does not include them. Insert the mounting screws on the replacement hard drive.
Push the hard drive connector into the replacement drive on the left side.
Lower the replacement hard drive into the hard drive bay, copying the angle at which you removed the old hard drive.
Place the bracket over the hard drive and use the screws to secure it.
Position the lower case on the computer and replace the screws, using their alignment on the paper to find the correct location.
Press the Power button and allow the MacBook Pro to start up.
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