> popping sound I get when I use the built-in speakers is awful. My issue might be a different one, it comes when I touch the display back side (and sometimes

> popping sound I get when I use the built-in speakers is awful. My issue might be a different one, it comes when I touch the display back side (and sometimes just randomly). I did some research and it seems to be caused by expansion and contraction of some kind of metal inside the body.