If your virtual background is not showing up when you start a meeting, do the following: Go to Zoom.Us and sign in to your account. Go to Settings on the left. Under In Meeting (Advanced) turn Virtual Background on.
Why is the virtual background in Zoom not working?
Troubleshooting Virtual Background issues
If you are experiencing issues with Virtual Background, try the following troubleshooting tips: If you do not have the Virtual Background tab in your desktop client settings after enabling it, sign out of the client, sign back in again, and check the settings again.
Why can't I use a virtual background?
Check the system requirements
Virtual backgrounds require more processing power and if you own a low-specs computer, chances are you won't be able to use this feature. Make sure your computer meets the system requirements for using virtual background on Zoom. For more information, check this support page.