Win7 connect the handset to appear MTP USB install failure how to do?

the Win7 system computer connects the handset to appear MTP USB installation Failure solution method.

The specific steps are as follows:

The first step: Open the phone in the "settings", Into the "Settings" interface. As shown in the figure.

The second step: Find the Mobile "settings" interface below to find "about the phone" click in.

Step three: In the "About mobile" interface to find "Mobile configuration information" Click in

Fourth step: In the "Mobile configuration Information" interface to find a "version number", continuous click Version Number five times, until the prompt (you are in the developer mode, do not need to do this) so far

Fifth step: Return to the mobile "settings" interface, find "Developer Options" click in.

Sixth step: In the "Developer Options" interface, find "USB debugging" to the back of the box ticked. As shown in the picture! After setting up, the phone can be reconnected to the computer Oh!