no audio windows 10

I have tried setting all the settings the way it's supposed to be as far as I know with audio input output Etc I see the sound meter moving but there's no sound I even got a separate streaming microphone and there's no sound coming from that either last night I could hear the sound of my...

So, i'm having a weird problem, after recording using OBS, viewing it in a video player (any kind, tried media player, Films & TV, VLC, etc) there's no sounds (in vlc there is only the gameplay, the microphone is gone), yet when i put it into a editing software (i'm using davinci) the sound is...

Okay so first of all, no it is not my display capture, second, this is only an issue after the video. So basically my display capture is just fine, however when I go back to watch the video I just spent 15 minutes recording, the whole thing is black and audio is cut off completely. I've also...