Please, I really want to have the option to set the microphone in mono (my stereo mic is broken and only records one side)

More than a week ago I send an email to support@mirillis.com but I didn't get an answer, so I put it here. I recently upgrade my graphics card from a GTX 750 TI to a GTX 960 (and reinstall windows) and when I watch or edit the videos I record with this codec the firsts seconds of all videos start wi...