If you're having trouble joining a Session, make sure you've completed the following.

Note: if a session is moderated, you will not be able to join the session unless the moderator approves your request.

• Your audio or video devices might not show up. If so, make sure you have enabled browser permission for Hopin to access your camera and microphone. 
• Refresh the webpage.

Most of the time, a refresh of the webpage will fix most problems.