Black screen on STREAMLABS

[Trakmodz]

Good evening, nothing to do with your cheating services, I started streamlabs on left 4 dead 2 and whether there is cheating or not the game and the stream works well, but when I want to stream on FROZA HORIZON 4 or on DAYS GONE when I want to STREAMER I have a black screen (nothing to do with the cheating of your games to offer)

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I don't see how streamlabs is "cheat software" when it's just for streaming ... there is no way around? because even with the screen capture I have a black screen

https://prnt.sc/13ewd70 ( screenshoot )

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I just found !! I have to deactivate my main graphics card, I run STREAMLABS which there .. captures my screens .. then I reactivate my graphics card .. complicated as a maneuver but functional ... Thank you for taking the time to answer me.

[YuiCDL]

How do you disable your graphics card?