LCD monitors contain millions of pixels, each one composed of three subpixels: red, blue, and green. When all three are on, a pixel looks white. Other combinations create other colors. A pixel can ...

What causes a laptop’s screen to suddenly have a tiny black spot in the middle of it and is there anything I can do about it? The black spot you refer to is most likely what we refer to as a ‘dead’ or ...

A pixel on your computer monitor or TV screen may be a very small thing. But if it is not acting in perfect concert with all the other pixels in the screen, the malfunction will stick out like a sore ...