So I recently acquired a Logitech ClearChat headset with a microphone, and it was working great for the past 4-5 days. I was using it for Steam games like Left 4 Dead and Team Fortress 2. Now however, it refuses to transmit my voice. If I blow into it, it'll pick up the sound like normal, but it won't pick up anything I say like "Hello?". (This is testing with both Steam games and the Sound & Audio Devices test) I've looked into my sound options, and turned up the microphone all the way up for sound & voice playback, sound & voice recording, and have looked online to no avail. I've also tried unplugging my headset and replugging it in, to no effect. Any help would be greatly appreciated.