Board Thread:Questions and Answers/@comment-28095530-20160331002355/@comment-26043655-20160711001815

Try going into: This PC > Documents > The Witcher 3

You can see User Settings. Delete that to reset your settings also, try launching in Windowed or Borderless Window (0 or 1). You can change most settings here. For example

[http://www.gamerevolution.com/faq/the-witcher-3-wild-hunt/guide-to-reducing-black-screen-crash-to-desktop-112939 Game Revolution more simple ways to prevent this from happening.

Useful Info on fixes for Black screen