Question / Help Black screen

[Sometimes]

Yesterday I install OBS and I can recording myself in game.
Today i have black-screen.....Anyone help me? Why only one day OBS is ok with me????

 

[EBrito]

There is a complete manual here
https://obsproject.com/forum/resour...ware-studio-multiplatform-help-guide-pdf.365/

And also, very useful videoguides here:
https://obsproject.com/forum/resources/short-sweet-obs-studio-guides-everything-you-need.460/