Why can't I hear anything even though I’m logged into the online seminar? 25 June 2021 12:49 Updated Kindly check whether the speakers on your PC / Mac are switched on or whether you may need to plug in headphones. Related articles What are the technical requirements for participating in an online seminar? Where can I find the licence key for my product? How do I install allango on my device? Why haven't I received a confirmation of my registration for the online seminar? Where do I have to register for the online seminars?