I can't see the presenter's video Support September 04, 2018 19:41 Updated Follow Make sure your internet speed is passing the minimum requirements: https://www.bigmarker.com/system_check Refresh the page. If neither of the above works, a firewall is usually the primary cause. Please visit our section on Firewalls for more details. Related articles Ports & Firewalls I have no sound and can't hear the presenters It says video is loading, but it never loads. What is happening? Attending and Hosting Webinars How to Increase Internet Speed Comments 0 comments Please sign in to leave a comment.