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I was wondering why I cannot open my 1.3m webcam. When I want to open it, it will say that please close all other devices that are connected with the 1.3m webcam. When I want to install it, it will describe it as an unknown device? I already checked the software, but it seems that I still cannot open it. What should I do?

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Is it an USB/internal webcam? Can you provide the output of hwinfo --usb | pastebinit? –  Salem Mar 8 '13 at 17:00

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