"What Is This? White Particles On Back Of TV. Found No Where Else In Home, Not Even On Surrounding Furniture/Wall. Cleans Off But Reappears After A Few Weeks."
A: "Fire retardant reacting with the environment. This white powder is not harmful nor is it mold. We have had a few cases and have found it is the fire retardant interacting with the environment. In most instances all that is needed to correct this is a damp cloth, but in the case the white spots do come back we have a tech come out and replace the back cabinet."