To ensure that your microphone and camera function properly with Google Meet, please make sure your Windows privacy settings allow it. You can do this by following these steps:
1. Click on the Windows icon on the bottom left of the screen, and click on Settings (gear icon).
2. Click on Privacy.
3. On the left-hand side, click Microphone.
4. Under Allow apps to access your microphone, make sure the button is switched on On.
5. Under Allow desktop apps to access your microphone, make sure the button is switched to On.
6. Repeat steps 3-4 for the Camera.