My IP Adress is failing.My

Question

My IP Adress is failing.My laptop (connected to my 360.)has almost a full amount of internet signal on the toolbar at bottom of screen however there is another connnction (i guess with the 360 with a status of:limited or no connectivity. And whenever i try and repair it, it says: windows could not do the following action: renewing your IP adress.And i can't connect with my modem directly [(or i need 26.8 metres of ethernet cable.)you see my point?]IT IS MY FIRST TIME CONNECTING TO LIVE Can u help me?