Just the basics please!

[Aperani]

I got everything up and running at my new home but the room I set it up in is too far from the living room so the second box a d WiFi for the PS4 isn’t working. Tried to plug it in centrally and pbbbthhhhh. Nada.
What am I doing wrong?

[CCAndrew]

The cable outlet may not be live, it’s your house, follow your cables to where everything is connected together