X Box 360 wont connect - +rep for help

[Lyca]

Well its my step brothers and he is at work so i cant call him and i need to know how to connect it!
He said it is connected to the internet at his moms house and i need to know how to get it connected to the internet at my house.
I have a wireless router plugged into the bvack, will that make it quicker/easier

[Minstrels]

Go to System on the 360 dashboard, then Computers then I think there should be something like test connection or connect.

[Lyca]

Go to System on the 360 dashboard, then Computers then I think there should be something like test connection or connect.
When i go on computers there are two options and both are blank and unavailable to click

[Sunny.]

Sorry, didnt get tht, Your router is plugged into ur pc or ur xbox?

[Lyca]

My X-Box