@Tony I plugged them in the same room, they connected and I could connect to the internet. And my other devices have internet when I connect them to the router. I can plug the adapter to one of the...

@Tony When I noticing the issue, the colour for both plugs is green but the pair LED is not on.

My powerline extender works perfect but when around 7 p.m it disconnects. I plug them at 4 p.m they work until 7 p.m. When I plug them at 10 a.m, the same thing happens and they disconnect each other...