Depending on the nature of the liquid damage, removing this shield may not be necessary, and doing so risks damaging the small components mounted on the logic board. If you decide to remove the shield, proceed cautiously and use a plastic tool such as a spudger, or a plastic opening tool to lever off the shield.

Look for the dimpled tabs on the shield that reach down over the tabs attached to the mother board.

Using your plastic tool, catch the edge of a dimpled tab near a corner of the shield, and pry it up away from the logic board.

Being careful of all the tiny surface mounted components, work your way around the available edges until the shield comes free.