I'm using fiber internet connection thru PPPOE connection .. download speed 500 mbps and the upload 100 mbps before I was using c7 and c2300 thru pppoe and I'm getting the full speed on both, now I sw

Hi, I just bought a Archer AX6000 router. I'm having trouble with the 5 Ghz band. After a clean start up of the router the 5Ghz works fine. I have laptop, 2 phones and a tablet that can all connect to