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    SL400 : Suddenly USB not recognized?

    Discussion in 'Lenovo' started by sapibobo, May 25, 2009.

  1. sapibobo

    sapibobo Notebook Evangelist

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    Dear all,

    SL400 have been used for few days. Suddenly all USB devices stop working. Any USB key, thumb drive, etc suddenly not recognized by Windows.
    There is a yellow exclamation mark in USB Controller section in Device Manager.

    Already reinstall Intel Storage Matrix Manager, Thinkpad System Interface Driver, OSFixes with no success.

    Any help please? Thanks in advance.
     
    sapibobo, May 25, 2009
    #1
  2. ginzero

    ginzero Notebook Consultant

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    Does it happen when power is plugged in and on battery?
     
    ginzero, May 25, 2009
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  3. sapibobo

    sapibobo Notebook Evangelist

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    On both. Either with the charger plugged in our out, it is still the same. The battery is fully charged.
     
    sapibobo, May 26, 2009
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