caint get on internet

Dell Inspiron 1150; XP Pro w/Sp2, Linksys N WRT150n router, Belkin pcmia wireless G(with correct driver version), The card status page reads 65-75% signal strength and other neighboring networks are seen. BSSID is the mac address, infrastructure mode. Ipconfig /release reads “No operation can be performed while the media is disconnected” The browser is Firefox or IE. Static IP address is assigned and within address range. Pinging to gateway times out.