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VNM Device isnt recognized after PC started up

Perform these steps and check if it helps.

  • Click Start, type Device manager in the Search box and then click Device Manager from the returned list
  • Click to expand USB Root Hub and click the Power Management tab
  • Uncheck the option to Allow the computer to turn off this device to save power and click OK

    Note: You may see multiple listings for USB Root Hub, uncheck this option for all USB Root Hubs.
  • Close the Device Manager