connect ur router to the pc through any of the 4 ethernet ports open browser type 192.168.1.1 hen a username/password dialog will pop keep the username blank & password-admin u will enter the config pages of the router go to basic setup & set the internet connctivity type to pppoe and provide ur username & password then go to wireless basic give a ssid name of ur choice & in security set the level to wpa2 psk and provide the key save & reboot the connet the lan cable from the modem to the internet port of the router & it should automatically connect to the net try these in case of any difficulty get back