Why can not connect to my MP3 on the computer?

All of the previous line, but the data lines to insert a computer, computer on the show “does not recognize”
will do before, but now how many times did not line
heard that MP3 is a virus, is that true?
how do I do?

Oh, you bad data lines, data lines for OK on it, I nmb Sometimes the case, but under normal circumstances I would have to find another one USB port to plug in, if not enough, go with using other people's computer into MP3, which is useful if you have a problem of MP3.Line of bad data , The line for a try.Mp3 problems, they can bring their own to consider the use of low-grid tool, click Format.

In addition you may be just the right power supply problems, if a usb hub, It is directly connected to the computer, do not use the transit hub; If the desktop, plug in the former panel, try it into the back of usb interface.

USB power supply for demanding.Additional extension of the line, the extra resistance, let usb interface voltage of less than 3.5v, so as not to identify your mp3.
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notebook, with no usb hub, right? directly to the laptop to try on.
In addition, if we rule out the mp3 itself, the simplest way is to get other people to try Bai computer.line and then for a data (data that the general line Are unified standard, is a usb, the other end of miniUSB).

Own soon to determine where the problem.

Actually looking for help, and this is nothing more than Steps to determine the problem.:)