HP 27-1055, 27-1057c, 27-1058, 27-1010t, 27-1015t manual

11.Attach the wall-mounting hardware (purchased separately) according to the manufacturer's instructions to the back of the computer, using the 100 mm x 100 mm (3.9 in. x 3.9 in.) screw holes.

CAUTION: The computer is heavy and might require two people to mount it to the wall.