With my router, I had the same thing happen to me after I lost connection with my cable modem. I couldn't figure it out until I decided when all else fails, go back to the directions LOL. Anyhow, I had to unplug both the cable modem and the router, then plug in I believe the router, then the cable modem and it =worked again. I am using a D-Link Router. If that doesn't do it, try it in the opposite order. Probably not your problem, but it can't hurt to try.
98 GS-T 350/310 on pumpgas
04 Sonic Blue GT (Sold)
04 Black Cobra MPH 76mm Turbo 800/708