To detect a second monitor manually on Windows 10, use these steps: Open Settings. Click on System. Click the Detect button ...
Nvidia's new GeForce Hotfix Display Driver 572.75 supposedly fixes overclocking issue for some Black screen login issues ...
I was under the impression the Nvidia RTX 50-series black screen issue was dead and buried at this point, after VBIOS updates were released for some affected cards and an official driver from Nvidia ...