Solution to unrecognized USB flash drive in win7

Source: Internet
Author: User


Windows 7 cannot identify the USB flash drive solution one time after Windows 7 safely deleted the USB flash drive and re-inserted it. It was found that Windows 7 could not recognize the USB flash drive. Why can't I identify this only after restarting? How can this problem be solved? The following are some tips: 1. Right-click the computer and choose Properties> Device Manager ". 2. In the "Device Manager", click "Universal Serial Bus Control". There will be many "USB Root Hub" device lists, and right-click each "USB Root Hub" in sequence ", select the "Disable" menu and then "enable ". 3. Finally, perform the "USB Root Hub" operation once, without restarting.

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