ALSO READ: New hotkey lets you capture a section of your screen in Windows 10.This hotkey will turn grey scale on or off, so check if it changes the color mode when you apply it. When you accidentally turn on the negative mode and find that your PC screen went black and white without your knowledge, you can quickly revert to color by pressing Windows Key+CTRL+C. If you’re on Windows 10, do the following to revert your screen back to color mode: Connect an external monitor to test the display.
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