@yves_b Exactly what I'm planning to do (nothing). All works OK so I'm going to disregard the "Fair" signal label and continue as is, until something breaks. Thanks.

@David-TP unfortunately house was wired for coax and telephone, not Ethernet. Never tried power adapters before. Where can I purchase those?

I have a Deco X55 system with 3 devices. My 2 points only have a "Fair" signal, but all devices appear to connect to these points and work ok. But I'd like to improve the signal to these 2 points if...