USB 2 not detected mass storage devices

Windows XP SP3 USB - 2 ports do not detect mass storage devices (reported as unknown device).  Same device is detected and works OK on the USB-1 ports.  Function USB - 2 ports for printers and mass storage OK no (no brightness, without removable hard disks).  Have tried all the simple fixes found on support.microsoft.com.  No success yet.

Hi Lostcauseracing,
 
Follow the steps in these articles and check if it helps in fixing the issue:
 
 

Tags: Windows

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    Reference:


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    http://support.Microsoft.com/kb/555665

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    -------------------------------------------------------------

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    Make a Restore Point

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    --------------------------------------------------------------------
    Check this box:

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    -------------------------------------------------------------------
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    Check with SanDisk support because they have excellent online support, including live Chat and documentation.

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    ===================================

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    2nd check these:

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    Hardware devices not detected or not working - Mr. Fixit
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    -------------------------------------------------------------

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    Make a Restore Point

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    --------------------------------------------------------------------
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    Leo MS

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    Thanks for joining us.

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    http://support.Microsoft.com/kb/943104

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