Win7 computer USB interface can not be used how to do

  

1. When the USB interface is plugged into the computer, if the device cannot work or is not working properly, it is recommended to replace the USB interface, or directly insert the device into the USB interface on the back of the computer chassis to try to solve the problem.

2. Check if the USB device is disabled: Right-click on the computer and select “ Manage” entry from the pop-up menu.

3, in the "Computer Management" interface that opens, expand the "Device Manager" item, find the disabled USB port, right click and select "Enable".

4, we can also use “ the trend to USB management software & rdquo; to control the computer USB interface. Press “Alt+F2” to wake up the main interface of the program, and check the “Restore the normal use of USB storage devices, mobile phones and Bluetooth devices”.

5, then clear the check related items: such as clear the check box to "disable the wireless network card", "and disable the portable Wifi" and other items. As shown in the figure:

6. After connecting the device to the computer USB, you can find the device that the driver is not installed correctly in the “Device Manager”, right-click and select “Update Driver”. Item, to achieve the driver update installation operation.

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