Quick troubleshooting tips:
Close any apps that may be using your camera, such as Zoom or Google Meet
Try reloading your browser or restarting your device.
If the issues persist, try the following advanced troubleshooting guide:
Reconnect External Devices
If you are using a webcam or an external microphone, try unplugging it and plugging it back into your device.
Update your Browser
Verify that your browser is up-to-date.
Update Drivers/OS
Check on Other Platforms
Try checking Google Meet is your issue exists there. If so, then it might be device problem.

