connection help


i will say thanks in advance to anyone who posts any help

i have just bought a new laptop and i am with o2 broadband. My main computer, other laptop and playstation are all connected to my network but my new laptop loads connections but when i go to connect on the full bar network (mine) on the network map the first stage (computer to box) is connected but the second stage (box to internet) isnt and is shown as a red cross. The connection symbol in the bottom right shows

My setup is o2 wireless box is ethernet cabled to my main computer and a buffalo airstation which wirelessly passes to another airstation which is ethernet cabled to my playstation. My other laptop connects wirelessly to the network

any help

thanks again in advance

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