To disable automatic detection of the microphone, please perform the following:
· Enter the Settings window (File --> Settings).
· Move to the Audio devices tab.
· Uncheck the 'Automatically detect my microphone' checkbox.
· Select the correct microphone input in your sound card application.
· Test the microphone.
· Save your changes.
In case you are still experiencing a problem with your mic., please open a support request and include your sound card information.