Yes, it is possible to use a laptop as a wireless bridge for xbox live.
Firstly, make sure you have a wireless router/modem. The Xbox 360 s, the wireless adapter is built in. For the other Xbox's, you need to buy a wireless adapter. After this, you are ready to sign up for Xbox live.
You need a "Cross-over" cable. This is a wire which will allow two computing devices (XBOX and PC in this case) to work together. If your laptop is already on the wireless, and Internet connection sharing is enabled, then this method will work.
eat and wait till it works owr itl be da end of ze world
you will need the wireless converter and a router after that you wont even need to use your laptop
unless you get a wireless adapter, yes
A wireless adapter for your XBOX, a wireless USB adapter for your Laptop, and a wireless router. The two devices will communicate with each other through the router.
The adapter connects you to Xbox Live but only if you have a wireless network and if you have a Xbox Live subscription.
You need a ethernet cable. First go to Network Connections in the control panel. then highlight the wireless adaptor and ethernet adaptor right click and click "bridge connections" then you should be able to access live on the xbox with the ethernet cable in the xbox and your laptop have a look on youtube there is a few vids up there.If you want wireless, you need a wireless adaptor. They're available on eBay.
An xbox
You have to purchase a laptop aadapter for free. When you have the adapter you can connect to Xbox live but you have to pay for a Xbox live subscription. However you do get a free subscription.
It allows you to connect to xbox live on a wireless network