This guide will instruct you how to remove your hard drive.
Rotate the laptop so its bottom is facing up.
Identify the lock mechanisms holding the battery in place.
Slide each button outward with your fingers to disengage the battery.
Pull the battery off with your hand to separate it from the laptop.
Locate the four 4 mm Phillips #1 screws that secure the hard drive to the laptop. Each of the screws has a white cylinder next to it.
Remove these four screws with a Phillips #1 screwdriver.
Once you've made sure all four screws are removed slide the hard drive out with your hand.