@David-TP yes, I've tried to connect to both and also to another router. It still wont connect. it was working perfectly ok since buying it back in November 2022, then at the weekend it just suddenly...

Ive a RE550 range extender, it was working no problem until this weekend and now it stopped working. the only light that is lit is the power light. Tried to re-connect to the router but ts not...