desktop audio issues

OBS refuses to out put my desktop audio regardless of what sound channel it is being directed to. Every other audio channel is working properly even my microphone and spottily which is on a separate channel entirely (https://i.imgur.com/CfJUOLj.png) Even though it clearly is being picked up by...

So I have a headset I connect to my pc and it has a mic but when I go to record obs will only capture my mic audio or the desktop audio what should I do to fix so it captures both?? Also when I go into obs and make sure my mic audio is set to the headset the desktop audio is cut off but then...

So I've been trying to create videos with OBS. and it's taken me longer then I'd like, but I noticed I'm having an audio issue. Where it's delayed by between 1-3 seconds (too lazy for an exact timeframe. It's delayed by a constant timeframe between 1-3 rather then varying between 1-3 seconds for...