Could have been a firmware update sent by them that botched things up ? Have you first tried power cycling the gateway ? Use 10.0.0.1 for access.
I tried powering down the router and modem but same issue still. Yes 10.0.0.1 is what i tried and it just never loaded anything. Ill try again tonight when i get home. What should i look for once im in there?
You wrote that you used 10.0.0.2....
There are other methods of access;
You are looking for the setting to make sure that the 5 GHz band radio is still enabled.
If nothing works, as a last resort, the gateway device may need to be hard reset back to factory defaults by using the recessed reset button on the rear. It must be pressed and held in for 30 seconds. If you do so, you will lose any custom settings that have been made, and things will need to re-configured from scratch.
You are lloking to