How to solve the problem of unable to identify usb devices in win7 system

This article mainly introduces the win7 system how to solve the problem of unable to identify usb equipment, the article is very detailed, has a certain reference value, interested friends must read it!

1. Right-click "my computer" and select "Management" to enter the "computer Management" window.

2. In the computer Management window, click device Manager on the left, and then expand Universal Serial bus Integration on the right.

3, in "Universal Serial bus Integration", you can see the following two USBRootHub, right-click, first disable, and then start.

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