If you see your computer screen or display turn gray after a Windows Update, it could be because the graphics driver crashed or the user interface process failed to launch.
Is part of your computer monitor’s screen not refreshing properly? It’s showing old content, and no matter how many times you refresh the screen, it remains the same. If a part of the screen freezes, ...
One moment your monitor is working at its native refresh rate, the next Windows is reverting it to 60Hz.