Cabled internet connection keeps dropping

To everyone whom I have not responded to : thanks for your helpful suggestions ! The problem (such as it is), is so intermittent that I don't feel like digging deep and changing all manner of things. If every now and then I have to reboot my computer, so be it

cbreemer said:

Thanks! I think you are right on the Power Management tab

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Yeah that's a new one for me, but I mostly work with laptops.