Misconfigured settings in your display control panel can make your computer screen go black and white when HDMI is plugged ... Can a bad HDMI cable cause no picture? Yes, a bad HDMI cable can ...

Your coffee is brewed. Your mind is sharp. You go to turn on your computer, but nothing shows up—all you see is a black screen, with no explanation as to where all your precious memes of the day ...

If you see odd behavior coming from your screen, reboot the computer ... blue -- to create images. Sometimes a pixel can get stuck in the "on" position, and appear as a white dot.

Use the following solutions to fix the Black and White squares issue on your Windows 11/10 computer screen. First, you need to apply some basic fixes and see if these can resolve the issue.