Once you have your camera installed properly...check in the device manager and see that your drivers are updated. You can open and check your camera by typing camera into the search bar and opening it up.
Give your apps permission
If you recently updated Windows 10, you might need to give apps permission to use the camera. In newer versions of Windows 10, some apps don’t have default access to the camera.
To let your device access the camera, select Start , then select Settings > Privacy > Camera . In Allow access to the camera on this device, if Camera access for this device is turned off, select Change and turn on Camera access for this device.
