The hard drive is important for storing the computer's data and may need to be replaced or upgraded to increase the amount of storage space.
Turn the laptop upside down so that the underside is facing up and locate the two switches that are on each side of the battery.
Slide the switch on the top right corner to the right.
Slide and hold the switch on the top left corner to the left and carefully remove the battery.
Use a Phillips #000 screwdriver to remove the two 9mm screws from the HDD/RAM cover panel.
Slide the back panel off by placing a hand on each corner and pulling the panel towards you.
Remove the four 9mm screws holding the hard drive in place.
Slide the hard drive to the left to disconnect it.
Then pull on the black tab to lift the hard drive out of the laptop.