is it possible to post stats from hub to see what it is reporting - advanced settings then technical log
Are you able to try a different ethernet cable? If you check the status of your LAN adapter, and select details, what does it show regarding IP, gateway and DNS information? If you have nothing there, you may need to go into the properties of your LAN card and make sure IPv4 is ticked.
Hub shows connected so looks like a call to customer services requesting a replacement for a faulty hh6