Win7 can not identify the usb device how to do

How to deal with win7 can not identify the usb device? The following is a solution for the usb device that win7 can not recognize, many friends will encounter the win7 system usb can not identify the situation, in fact The solution is simple, I hope the following steps can help you solve the problem.

Solution:

1. Right click on “Computer”, under the list that appears on the right, select “Manage”;

2. Click to open the computer Under Management, “Device Manager”;

3. In the “Device Manager”, click “Universal Serial Bus Control” and the “USB Root Hub” device appears below. In the list, right click on “USB Root Hub” and turn it “disabled” menu and then “Enable” to enable ”;

After completing the above operation, insert the u disk into the computer and try it. Restart the computer.