Originally Posted by
deckyon
Unplug the router, wait a min or so, then plug it back in. Sometimes, you will need to unplug and replug in the modem as well (if it is separate) in which case, unplug the modem, then router and wait a min. Plug everything back in starting with the modem then the router.
You can see if you are getting a valid IP by going into the Settings, Wifi and then hitting the blue arrow by your connection. if it starts with 169, there is an issue with the router. That means it isn't pulling an IP from DHCP.