Issue
Sometimes the default setting in Windows 10 does not allow the microphone or camera to access apps. Built-In Microphone and/or Camera not working when using Cisco IP Communicator, Zoom or Skype
Resolution
- Open the Start Menu and select Settings

- Choose the Privacy Setting
- Under App Permissions, select the Microphone
- Set “Allow apps to access your microphone” to On

- Under App Permissions, select the Camera
- Set "Allow apps to access your camera" to On

7. Close the Settings window