This guide will show you how to prepare the computer for the removal of the panel underneath the keyboard.
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 thirteen 10 mm Phillips #1 screws securing the bottom panel of the laptop.
Remove the thirteen indicated screws with a Phillips #1 screwdriver.