Upgrading the hard disk drive
5.Open the computer display; then stand the computer on its side and remove the hard disk drive by pulling the cover away from the computer.
6.Detach the cover from the hard disk drive.
7.Attach the cover to a new hard disk drive.
8.Insert the hard disk drive and its cover into the hard disk drive bay; then firmly install them.
9.Close the computer display and place the computer with its bottom side up. Reinstall the screw.
10.Reinstall the battery.