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You have installed the driver. Now, you need a program that recognizes the WDM (Windows Driver Model) source. Many apps will crash or show a black screen. Use these:
The WSVR203P (often branded under Winstars or generic "USB 2.0 Video Grabber" labels) is an analog-to-digital converter. It typically uses common chipsets like the or Trident Analog Video . Because these devices are often sold by third-party retailers, official manufacturer support pages can be hard to find. 2. Where to Download the Drivers usb av grabber wsvr203p driver work