mp4 interface into the computer, the computer did not reflect! !

mp4 to plug in, did not reflect the computer and then plug in the rear or did not reflect the interface.
data line no problem, the computer is not broken the all-usb interface ~
before seen such a problem Plug in a computer data line, in the lower right corner of the tips are not

my home computer is xp system, there is no special installation usb drive, because there is no response after installation.Not have to install the usb drive to

installed a driver you try to install directly on the general need to identify the USB 2.0 on the pretext of the need XP SP2 or later.Otherwise As long as they are removable disk agreement can be in-line.Is to avoid flooding the
You'd better take a look at the MP4 specification.
Model say about the specific assumptions you use the USB interface mouse, your mouse do the normal?
USB is not possible broken.Because unless the South Bridge burned.Then you do not need to even start to die are installed in the drive.Try it in another machine, or is not working.P4 poisoning or that it does not work.Also Computers do not rule out poisoning.'s MP4 or you have a problem, change your computer to try to see if there is no reflection of the MP4 if you are good, then go outside to buy a USB card, plugged into the back of the computer will be able to identify Now, this card is very cheap, dozens of dollars it! To install ah.My sister also ah, carried out 1 week, the result is not installed.Usb that is the real want to install.