Mic is picking up sound, but not relaying anything to the stream??

[Chippz4418]

Hi, so my brother is having an issue with his stream, on obs the mic is getting picked up when he speaks its not muted or on low volume but when he streams the sound wont come through to the viewer, I was wondering if anyone knows if this is an obs issue or if its a computer issue?

 

[Chippz4418]

Hi, so my brother is having an issue with his stream, on obs the mic is getting picked up when he speaks its not muted or on low volume but when he streams the sound wont come through to the viewer, I was wondering if anyone knows if this is an obs issue or if its a computer issue?

Nerver mind its been sorted!