If you have more than one webcam connected to your device and want to switch your camera on the Camera Settings page, you must change all of their permissions settings.
- At the top right of Chrome, click More > Setting > Privacy and security > Site Settings.
- Click Camera.
- Toggle on Ask before accessing for each of the cameras.
- Refresh, and then click the camera & microphone icon to see which of your cameras is selected.
If the camera you wish to use is not selected, you may change it via Switch Camera/Microphone menu.