Use the suggestions if your Windows 11/10 computer freezes when an ethernet cable is plugged in. If your computer has more than one ethernet port, connect the ethernet cable to another port and see if ...
If you love technology as much as I do, you probably own a ton of different devices. Of course, the more devices you have, the more nightmarish it becomes to set up your desk or entertainment center.
If the cable connection is loose (or even the connector on the device), that could explain why the performance is varying so much. Or the connectors of the cable really are faulty and moving them ...