- Test the camera to make sure it's working in another app, like Photo Booth on a Mac or Camera on a PC.
- Make sure the correct camera is selected in your video-calling app.
- Check the microphone and speaker settings in your video conferencing app.
- Check your camera settings: Check that your device's camera isn't disabled or blocked in your app's settings or stored in a different app.
- Check if you have the latest drivers and/or software installed.
- Restart your computer.
- Check your browser settings.
- Reinstall the video-calling app.
