How to Fix Black and white Screen Display on windows 10

 

How to Disable (or Enable) Grayscale Mode in Windows 10
  1. The simplest way to go from grayscale to full color mode is to hit CTRL + Windows Key + C, which should work right away. …
  2. Type “color filter” into the Windows search box.
  3. Click “Turn color filters on or off.”
  4. Toggle “Turn on color filters” to On.
  5. Pick a filter.

 

Why is my display all black and white?
In summary, if you accidentally triggered the color filters and turned your display black & white, it’s due¬†to the new color filters feature. It can be undone by tapping Windows Key + Control + C again.