: Ensure your OS allows apps to access the camera.
Right-click and select > Browse my computer for drivers > Let me pick from a list . Select USB Video Device and click Next. Vantrue N5 Dash Cam If your "N5" is a Vantrue N5 n5 webcam driver link
Set your camera’s anti-flicker frequency to 60Hz if you live in North America, or 50Hz if you live in Europe or Asia. This prevents overhead light bulbs from causing a strobing effect on your video feed. : Ensure your OS allows apps to access the camera
: Try a different USB port directly on your computer rather than a USB hub to ensure it receives enough power. n5 webcam driver link