How do i use a wireless connection to connect to Xbox Live?

My mom cut off our service with time warner cable, so i am using wireless internet straight from my computer. I have a modem, but when i use a wired connection, it won't work at all. Can anyone tell me how to set up a wireless connection so i can get on Xbox live?How do i use a wireless connection to connect to Xbox Live?
well one if you dont have the 100 dollar x box wireless adapter you cant.


but if you have then then its under the system settingsHow do i use a wireless connection to connect to Xbox Live?
you prob have to set it up through your xbox settings, set up a connection,, or try to reset the router or modem so it picks up the ip address on the xbox, try restarting both at the same time

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