A method for guiding a user through trouble shooting a wrong audio source among a plurality of audio sources, comprises the steps of: (a) generating a GUI display screen including a first area for displaying information about testing an audio input device, a second area for displaying instructions and status information and for providing dynamic feedback and a third area for user selections and controls; (b) displaying a list of available audio sources in said third area; (c) prompting said user to select an audio source from said list; (d) prompting said user to test said selected audio source; (e) in the event said test is unsuccessful, prompting said user to select any other audio source identified in said third area; (f) prompting said user to test said any other audio source in said list; and, (g) repeating steps (e) and (f) until one of said audio sources is tested successfully or each of said audio sources is tested unsuccessfully.