If your webcam is not showing up in the options list in "Video Settings" or it is selected and not showing any video, please follow the steps below to troubleshoot:
1. Make sure that all other programs that utilize the camera are not using the camera or are closed.
2. Reboot your computer to ensure that the camera is not being used by another application.
3. Visit your device's support and downloads page to update the camera driver (see links below)