None of my U.S.B.ports work. all the drivers are up to date. Everything else on the laptop works OK

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  First of all this isn't a hardware problem, but simply the software problem.
  I see that you have tried to install different external USB devices. Most of these devices require special software which is always supplied with the product.

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  In addition if you want to use your iPod, you need to install iTunes software! Without this software, the iPod does not work!

  Good bye