[Jelly Bean]

http://www.xbox.com/en-US/support/co...king/intro.htm

http://www.xbox.com/en-US/support/co...vitywizard.htm



http://www.xbox.com/en-US/support/fa...gs/?WT.svl=nav


http://www.xbox.com/en-US/support/sy...60/default.htm


http://support.microsoft.com/kb/908885

http://www.xboxlivetheguide.co.uk/XB...epartment=Home

http://www.xbox.com/en-US/support/?WT.svl=nav


And lots more help attached to these links.

Are you using an XBOX wireless adaptor?How are you connecting it up?Aslo restting stuff in XBOX dashboard can help.