How to solve the USB interface failure of Win7 host?

　What should I do if the USB interface of the win7 system host cannot be used normally? When some users connect their USB flash drive to the computer when using the computer, they find that the computer cannot connect normally. Even if they switch other devices and the computer still cannot connect normally, it can be determined that there is a problem with the USB interface. So how to solve the problem that the USB interface of the computer cannot be used? Many friends do not know how to operate in detail. The editor below has compiled the steps to solve the problem that the USB interface of the win7 system host cannot be used normally. If you are interested, follow the editor and take a look below. !

Win7 system host USB interface cannot be used normally. Solution steps

1. Right-click the computer and click Properties.

　2. Then click Device Manager.

　3. We can see all hardware devices in the device manager.

　4. Select the Universal Serial Bus controller.

5. Then we can see all the USB interface devices, double-click on any one to enter.

　6. Then click Enable the device.

7. Click Next.

8. Wait for the activation to be completed.

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