Just super 9 1

So frenchement, I hesitated to buy it for the price ...
But I throw and OUF!
It's a great fan that greatly decrease the heat of my pc. This is the right width for a 17.3 inch.
The base matient good computer

I return year after my acaht to share small inconvenience. The product comes with a cable to put directly on the pc. except to use the power of "notches" fan were bent, so impossible to use it ..
So I buy a wire to plug into a jack on the computer. Super her so walking again. Except for 2 days, this wire remains connected (green signal) except that nothing happens ...
now what? a usb cable usb (what remains as a possibility) his does not work either ...