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Sounds like the power side might have gotten fried.. Do you have a powered USB hub you can try? &nbsp;Most likely the only fix is a MB replacement. &nbsp;<br />
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You can also try reinstalling the chipset drivers.. download them from Sony for your model.
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Sounds like the power side might have gotten fried.. Do you have a powered USB hub you can try?  Most likely the only fix is a MB replacement.  

You can also try reinstalling the chipset drivers.. download them from Sony for your model.

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very helpful and accurate information 
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I own a SONY Via computer. &nbsp;IT had been working perfectily -- until now. &nbsp;The USB drives are not being recognized at all (even an old jump drive) is not being read. &nbsp;The problem or error states that the USB hub in not being recognized or is having a problem. &nbsp;
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I own a SONY Via computer.  IT had been working perfectily -- until now.  The USB drives are not being recognized at all (even an old jump drive) is not being read.  The problem or error states that the USB hub in not being recognized or is having a problem.  

USB heb

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