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      Some of the USB ports on IdeaPad Y570 and Y470 do not work

      AFFECTED CONFIGURATIONS:

      The above symptom may occur on the following systems:

      IdeaPad Y570/Y470 with USB 3.0 plus USB 2.0

      VALID REGIONS/COUNTRIES:

      Worldwide

      SOLUTION:

      1. Remove all USB devices from the Machine

      2. Go to Lenovo website http://support.lenovo.com/en_US/downloads/default.page? to locate and download oRenesas Electronics USB 3.0 Host Contrller Driver for your machine.

      3. After downloading, run the setup accordingly and restart PC once installation is done.

      Fig.1

       

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      • Alias ID: 13074323989662
      • Document ID: HT070256
      • Last Updated :26 Mar 2014
      • © 2016 Lenovo