So I just ordered a ac1900 nighthawk off amazon. I tried setting it up, but I couldn't connect to the internet, nor through the wifi. My modem is new from the cable company, and if I plug anything into the modem it works. But, when I put the router into the modem it trys to connect but always fails. I tried different ethernet cords and always the same fail. I can't even see it on my wifi listing on galaxy s6. I tried factory reseting it too (even though it's new. I'll call netgear and my Internet provider tomorrow.
It is possible that the ISP is not recognizing the connection on your router. I recommend performing MAC spoofing on the router. You may refer to the link below for the steps:
