Steelseries Siberia V2 USB Mic problem

[Helozan]

Hi,
I am using a Steelseries Siberia V2 Headset. The mic works prefectly after I start my computer, but after like 10min it stop working. Then I have to reboot. If I put my mic on mute I also stop working or I think so atleast.
Would be greatful for any help!
Best regaurads
Helo