Xiomara Blanco is an associate editor for CNET Reviews. She's a Bay Area native with a knack for tech that makes life easier and more enjoyable. So, don't expect her to review printers anytime soon.

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 ...