mic and cam lag but not the display and sound of the game

[dramis]

Hi so I tried to make a video of the Starfield games and my cam t my micro lag really a lot but the image of the games and the sounds no I don't understand at all I still have problems either to stream or make a video I have a 2080 Ti 32GB of DDR RAM and a Ryzen 7 7700X I don't understand at all I try a lot of setting on obs there is never anything that works