A defective pixel on an LCD screen. Bad pixels are often transistors that are permanently dead and appear as black dots or permanently energized and show up as white or colored dots ("hot pixels").

So, the screen on your TV is showing signs of trouble. Maybe it’s a minor annoyance, like a few dead pixels or horizontal ...

Dead Pixels is a new comedy about gamers that promises to be "on their side". One of the stars of the show, Alexa Davies, tells Newsbeat: "It's about fully understanding where people who play come ...