We have analyzed numerous user reports and reference to find that the black box problem is often caused by an obsolete display driver. The black box in Windows 10 is also caused by corrupted system files and improper brightness settings.
Flashing Black Box in Window 10 - Incompatible apps or drivers are often responsible for screen flickering in Windows 10. Check Task Manager to determine if the issue is caused by an app or driver. Based on this information, you can update either the app or display driver. www.office.com/setup key
