The black screen issue on Windows can occur for various reasons, including monitor connection problems, temporary glitches, corrupt graphics drivers, or even a faulty Windows update.

July Windows 10 update causes blue screen reboot loops – here’s the fix The important security update KB5040427 is crashing Windows 10 computers. By Hans-Christian Dirscherl ...

If your computer screen remains dim at full brightness, the problem may be with your display driver or BIOS. Here are fixes that can help you.