@Will_H587 One of the possibilities is your XBOX configured with static IP address. When you deployed Deco, it runs as a router, with its own IP range of 192.168.68.*. That won't work for XBOX if it...

@Karlom This TP-Link FAQ might help: Adding an additional unit to your TP-Link Deco network Hint #1: Bring attic pod to the room where your Main Deco is (it'll be one at the router, most likely), for...

@Finnegan2567 When I managed to convince ISP there is a problem, they sent technician to my house. He found cracked insulation on TV cable entering my house. That exposed its internals to elements....

@Finnegan2567 Technicolor CGA4234 is indeed router (modem+gateway), not just a cable modem. Because of that, I would recommend switching Deco mesh to Access Point mode. That will not fix Internet...

@Finnegan2567 To clear confusion, would you please share brand and model name/number of ISP modem/router you have.

@Finnegan2567 Is this what you have? This configuration is not supported in Deco Router mode, and it will not work in Deco Access Point mode if you have ISP cable modem. You must have ISP router for...