Reasons for USB external camera failure

　　What if the USB external camera doesn't work?

The camera on the computer market is mainly digital camera, and digital camera with the new data transmission interface of the main USB digital camera, the market is mostly visible in this product. In addition, there is a video capture card with the use of products, but not mainstream.

　　Now, let's look at the reasons for the failure of the USB external camera and how to solve it.

1. If the USB camera can not be used, first need to check the camera USB cable is connected to the host, as well as the status of the connection is good;

2. Check to see if the USB video device is detected by entering the Device Manager after checking the line connection is normal.

3. If the drive has also been successfully installed, all is normal. But the camera still can't use, that is certain computer system software setup problem. May be the computer found unknown devices, camera driver is not properly installed.

There may be two reasons for a yellow question mark, one is that the camera driver is not properly installed, and the other is a hardware failure on the USB interface.

A. Rapid advances in technology, some new cameras may have to reinstall their own driver to normal use. Therefore, we recommend that you first install the purchase of the camera packaging from the driver, to see whether the problem can be solved, or download a driver wizard, automatic detection of driver installation.

B. If there is no problem with the driver, there may be a USB interface failure. First USB switch to a slot connection to see if it can be used normally; if still not, then change a computer to try, the final detection is the problem of USB interface, then need to change a socket.

Generally speaking, the laptop's built-in camera is not a problem, the above is a desktop USB external camera problem, including the reasons for not use and solutions, to consider the installation of the camera driver and USB interface hardware failure.

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