This usually means the driver is installed but the resolution is set incorrectly. Ensure your software is requesting 640x480.
The PS3 Eye sometimes hates blue USB 3.0 ports. Try plugging it into a black USB 2.0 port if it isn't being detected.
You can usually find these at thrift stores for under $10.
Search for the "CL-Eye Platform Driver" from a reputable archive site or download the from its official website. Step 2: Running the Installer If using CL-Eye: Unplug your camera. Run the installer as an Administrator . Plug the camera in when prompted. Restart your PC. If using Zadig: Plug in the PS3 Eye. Open Zadig and go to Options > List All Devices . Select "USB Camera-B4.04.27.1" from the dropdown.