If your Tedgem webcam is showing a black screen or is not recognized, try these fixes:
Mac users often have an easier time, but there are nuances. tedgem webcam driver
Cause: Windows default audio device changed. Solution: If your Tedgem webcam is showing a black
Choose between:
Some budget webcams trigger antivirus software because they present themselves as a storage device (to hold drivers). Non-UVC devices: sniffing USB traffic with usbmon (Linux)