Your TV screen might look fine at a glance, but fingerprints, dust and smudges build up faster than you think. And if you're wiping it down with the wrong products-like paper towels or household glass ...

So, the screen on your TV is showing signs of trouble. Maybe it’s a minor annoyance, like a few dead pixels or horizontal lines. It can also be more drastic, like a crack or even a black screen that ...