1. First open the device manager of the Win7 system
2. Then right-click the top row of the device manager. (That’s the line with your computer username)
3. Select “Add obsolete hardware” and follow the steps to add “image device”
4 . If the camera displays a small exclamation mark (if not, the device is normal), go to the laptop's official website to download the latest driver, update the latest driver, and restart the computer.
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