Microsoft LifeCam VX-6000 Webcam "self test page doesnt show" Questions

self at all. the same screen that keeps telling me to configure the audio and video just takes the place of the video feed.please help!!! i tried this on 3 different computers. Follow the instructions

...self to others I have vista system have installed and reinstalled doesnt work on any messagers have tryed all. cam get audio and picture from them but can not transmit my picture . only get a black ...