Unscrew the hard drive.

There could be up to five 3mm screws - One on each corner of the hard drive, and one at one end of the hard drive, attaching the drive to the laptop's frame.

Carefully push the hard drive away from its port. This should not require substantial force.

Lift the hard drive out.

Some hard drives have a plastic tab, which can be lifted from to remove the hard drive.

Otherwise, take hold of opposite sides of the hard drive and lift the drive straight up.