in this video it shows you and tells you how to use your desktop or laptop computers wireless connection to connect your xbox 360 to your wireless router so that you don't have to buy a microsoft xbox 360 wireless adapter for your xbox 360.
microsoft have changed the sticker on the xbox 360 for the warranty to a bigger 1 and put it in a different place so that it is harder for hackers to get it off so that they can put it back on again even with the hairdryer trick.