Add Yahoo as a preferred source to see more of our stories on Google. 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.

I've never heard of anything fixing hot or dead pixels. If either of those worked then panel manufacturer's could save millions each year replacing defective units.

Given how much of our lives are spent in front of screens these days, surely most people have encountered a “dead pixel” on their TV or phone or computer. Generally, it’s exactly what it sounds like: ...