Windows users can face dozens of display issues, one of which is white dots appearing all over the computer screen ... pixels mean it will show just one color. If you are not sure if that ...

Changing just a few settings your TV can make it look way better than it did out of the box, whether you have a Samsung, LG, ...

If your computer screen is turned into black and white, you might have enabled the greyscale filter on your computer accidentally. Check this in Settings and disable the greyscale color filter.