I bought this router a while ago and it worked great for 2 years but till one day, i unplug it and then plut it back in and you see the power green light the yellow check and the wifi blue light so those 3 lights when i plug in the internet cable and lan cables nothing happens no blinks just those 3 lights i try to unplug plug in restart modem but still same 3 lights on are not responding to the cables someone PLEASE HELP!!!