OK, I have a recently purchased demo floor model Sharp LC-45GD6U. When I turn it on, after a while I see, on the left hand side, a read "outlining" of shapes on the TV. When I tap lightly the back of ...

Tapping your phone, whether it's a gentle tap or a more forceful one, is often a common instinct when dealing with screen problems, but it rarely provides a lasting solution. Here’s a detailed look at ...