Quatech Audio/Video Capture USB 2.0 - Manual (Page 8)

Chapter 2. Installation
2.2.4. After computer restarts, please plug the Video Capture device into
the computer’s USB 2.0 port; System will now detect the new
device and install completely.
2.2.5. Please check whether if the Video Capture driver was installed
successfully in your computer. Go to My Computer -> Control
Panel -> System -> Hardware -> Device Manager.
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