Bitey said:
He wasn’t implying that, but like his example sometimes it is the most obvious thing that we as humans forget to do.
Thats exactly the reason for my post. Oftentimes our biggest problems are simply things we overlooked.
Now that I know your not stupid, have you done the ‘test microphone’ option in CS? Does it work there but not in game? Is your voice-chat key bound? Is it conflicting with any other keys?