Click on your Account name above (If you are not currently logged in, click on the "Register or Sign In" link above and enter your email address and password). You will be redirected to your account.
Under Pending Online Seminars, click on the "Launch Viewer" button of the webcast you've registered for.
A new window will open with a test video playing in the upper left box. Confirm that you can both see and hear the video and music that are playing in that window.
