What should I do if the USB interface of my Win7 computer cannot be used?

Question: The USB interface of Win7 system computer cannot be used? It can be a frustrating problem when you find that your Win7 computer’s USB port cannot connect peripherals. This article by PHP editor Yuzi introduces you in detail the solution when the USB interface of Win7 system computer cannot be used. By reading carefully, you can easily solve this problem and restore the normal functionality of the USB interface.

Solution to the problem that the USB interface of Win7 system computer cannot be used

1. Right-click "Computer" on the desktop (My Computer in XP system), a pop-up box will pop up, and left-click the "Properties" button. As shown in the picture:

2. On the left side of the opened page, click the selected "Device Manager" with the mouse. As shown in the picture:

3. In "Device Manager", double-click the "Universal Serial Bus Controller" button selected in the red box. As shown in the picture:

4. After clicking on it, we found that there are many USB options, as long as they have the word USB. Click on each one. As shown in the picture:

5. After clicking on one of them, I found that the device status was disabled. Click the left button of the mouse on the words "Enable Device". As shown in the picture:

6. After the wizard pops up, click "Next" in the box. As shown in the picture:

7. Then you will be prompted that Windows has successfully enabled the device, click Finish. Remember to check this for every USB. As shown in the picture:

8. In the "Power Management" of some USB properties, click to remove the check mark in front of Allow the computer to turn off the device, click OK, and restart. USB can be restored to use.

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