Sir, Madam, Please help me...

My Flash was malfunctioned,and computer says "USB Device Not recognized"
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More about madam
  1. start-->run-->devmgmt.msc-->expand the universal serial bus controllers-->right click and uninstall all of the usb root hubs-->restart-->they will reinstall on restart, and look for new hardware.

    If that doesn't help, go to the flash drive manufacturer's website, and run their diagnostic tool.
  2. I am afraid, that some new unknown virus exists. I`ve lost 2(two)USB flashdrives, in a recent few weeks, even though I`ve been using them for more than 6-7 years.
  3. Try the method I mentioned above.
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