Just signed up for wifi, works on most devices however my imac refuses to connect. I get 4 full bars, and am using the 5G connection. When I put in the ip address in the web browser I can get to that page, but no others. I've added the computer to my page and it worked however it still refuses to connect. I've made my mac forget all other wifi connections and re-setup the shaw 5G and still it didnt work. What else can I try? restart wifi router?