I bet this will be a fun challenge. I can't seem to get my mic to work. The problem is, I know nearly nothing about model etc, just looking at the headset itself here is what I get:
Steelseries 4H
That's it. I never really dealt with mics before so you'll have to tell me what information you'll need, and how I can obtain it.

I've tried reading the Wiki but I could only find articles relating to speakers and sound as such, not when sound input wouldn't work.