OPPOMP4 not connect the computer to respond!

I was V3I models.
Plug in the back of the chassis to ensure the power supply interface ~ ~
MP4 reaction, the computer did not respond.MP4 after a few seconds of reaction did not in the end is a ~
Why ah?

Other MP4 can also connect the data lines are replaced by on-line ~
popular methods tried or not
Zaban ah?!

that the problems of the MP4! In other words it should not be a hardware problem, it is estimated that the MP4-driven error in the My Computer Management ? …? Device Manager under a Universal Serial Bus controllers (that is, USB) or there is no question mark Exclamation mark, if so, please manually update the driver, if not omnipotent compared with re-Ha ha