In the Studio, if you or a participant have selected a camera for video input but the video frame appears black or blank, follow the troubleshooting steps below to fix it before you record.
Step by step:
Close the Riverside browser tab and re-join the Studio.
Check whether the video error is fixed.
If not, continue below.
In the Studio, select a different camera (if another one is connected).
Check whether the video error is fixed.
If not, follow the steps on Change Browser's Hardware Acceleration Setting.