Attendee see grey banner on screen with presentation

Hi,

this is related to the function "Optimize for video clip" of the zoom client. To "remove" the grey/black banner disable the video-optimizing in the sharing window.

https://support.zoom.us/hc/en-us/articles/202954249-Optimizing-a-shared-video-clip-in-full-screen

Hope this helps 🙂

Steffen