1. Check to make sure your device is supported and the latest version of Microsoft Teams is installed on your device.
2. Make sure you’ve granted access to your webcams and microphone.
3. If you’re on a laptop or PC, check that your graphics card is up to date with the latest installation.
4. Check that the device has a stable and reliable internet connection.
5. Make sure you always select the latest version of the shared screen compatible with your device.