Proceeding with that assumption — here is the paper.
If the camera is not working (Windows 7 or older): If you are using an older OS or the camera is showing as an "Unknown Device," you may need a driver. web camera f 20 f4 8mm8 driver
Plug the camera into a different USB port to trigger a new hardware scan. Proceeding with that assumption — here is the paper
Windows 10/11 detects it as a “USB Video Device” but the image is black/green/garbage. I suspect a missing or corrupted driver. Windows 10/11 detects it as a “USB Video
If your camera isn't working immediately upon being plugged in, follow these steps to locate the correct software: Check Hardware IDs Right-click Start > Device Manager. Expand Cameras or Imaging devices.
Before diving into drivers, it is critical to understand the hardware.
Most webcams with these specs are "Plug and Play." If yours isn't working, follow these steps to trigger the built-in Windows driver: 1. Use Windows Device Manager Plug your camera into a USB port. Right-click the Start button and select Device Manager. Expand the Cameras or Imaging devices section.