Clear the hole of debris.
Mount screen to brick wall.
How to install a flat screen tv on a brick wall the right fasteners.
Using a hammer drill drill holes using the correct diameter carbide tipped masonry bit for the concrete screw diameter in use.
Attaching the mount to the brick fireplace is the next step.
Concrete brick and masonry fasteners like those for drywall come in a variety of types and sizes.
Hammer it in until the lip on the end is flush against the brick wall.
Using a level determine the desired height of the display before attempting to install the wall mount.
Hammer your masonry anchor in the pilot hole you drilled.