What if the smartphone doesn't respond to the computer?

1, we first "data cable connected to mobile phones and computers" we will find that the computer and mobile phones are not responding, we now go back to the desktop right click on "My Computer--management-Device Manager" as shown in the following figure;

2, then in the open management we click on "Universal Serial Bus Controller" and then in the Open interface we click on "USB Mass Storage Device (USB mass storage device)" Can be used normally, the effect is as follows, the details of the article can help friends;

3, if the USB Mass Storage device display yellow exclamation point, then right click on the device, click Uninstall, disconnect the phone and then reconnect, the system will automatically successfully install the driver;

4, after the deletion we reconnect, after the successful connection of our computer will automatically install the driver, if not we can directly install a cell phone helper, and then the phone helper will help us to install your mobile phone driver.