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
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