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Posted 02 December 2017 - 03:30 PM
Posted 02 December 2017 - 06:11 PM
USB ports are prone to getting things in the connectors that prevents good connections and can short out, stopping the CPU from recognizing a failed port. Dirt gets introduced to the connectors, the one on the cable and the port mounted in the unit. Bad cables can create faults too.
Posted 04 December 2017 - 09:37 AM
As Nova said, get a can of compressed air with a straw and blow out all the ports.
Also, I have seen USB ports that just break with use. All it takes is a small piece of metal to break off inside and short the port or break connection. That can cause all kinds of problems.
Enter Device Manager, Look for any yellow problem icons and pay particular attention to the bottom of the screen, "Universal Serial Bus Controllers" and "USB Virtualization" (if you have that header). Any yellow marks on those?
Help Requests: If there is no reply after 3 days I remove the thread from my answer list. For further help PM me.
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