Be sure to use gloves or tools because metal is sharp along the edge.

On the underside of the motherboard locate the heat shield which is located between the two fans near the top of the motherboard.

Remove the heat shield using an opening pick by lifting along the edges.

Remove all four Torx T5 screws located in each corner of the heat sink mounting frame.

Carefully lift off the heat sinks from the motherboard.

During reinstallation of the heat sinks, be sure to clean both contact surfaces with isopropyl alcohol and reapply thermal paste.