Sometimes a game/app screen may be displayed abnormally or showed as a black screen, for this solution, here is a tutorial to solve the problem:
Try to witch the rendering mode in the performance settings: https://www.bignox.com/blog/change-graphics-rendering-mode-noxplayer/
Switch to the high-performance processor can help you fix game lagging, FPS dropping and black screen issues. The most frequently used graphic card drivers are NVIDIA and AMD.
- NVIDIA graphic cards drivers
Click here to learn how to enable the high-performance NVIDIA graphics card drivers
2. AMD graphic cards drivers
Click here to learn how to enable the high-performance AMD graphics card drivers