If part of your computer monitor’s screen is not refreshing properly and shows old content, when you refresh the screen, see this post.

To get rid of a crosshair that's stuck on your PC screen, check your monitor's On-screen Display settings, disable Crosshair Bloom in game settings, etc.

But shortcuts can help you switch swiftly between your windows and minimize and maximize them. Going full screen is an underrated feature on Windows and Mac and you can do it even faster with a ...