Check for your camera in Device Manager.
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From Start, search for device manager. Select Device Manager from the search results.
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Expand Cameras, Imaging devices, and Sound, video and game controllers using the arrows next to them. If you find it, right-click on it and select Update driver, then select Search automatically.
If you can't find your camera:
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In Device Manager, choose the Action menu, and select Scan for hardware changes.
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Wait for Windows to scan and update drivers.