Xbox Live Setup

I've been having this problem for the last several weeks and I'd like to finally solve it. I recently had Comcast over to examine the Internet, and why I would have sudden boots from Xbox Live, while in the middle of online matches. They gave me a new router and set up a new network, which seemed to work fine (I was getting 3-4 bars on the wifi in my 360 slim). ...

I don't know the first thing on what to do first, I want to set up an account so I can play Call of Duty online, as my Brother got me hooked over Xmas Holidays. Please Help!!! Suggestion: great thing to do is to ...

Hi! I got the xbox 360 for christmas and when i set up xbox live i put my real age in! (under 20) and now i cant go on xbox live with battefield 3 because of 'age restrictions' but ALL my friends play on it because they pput that they were 18!! please PLEASE HELP!!!!! first one to help me (not the ones that say you cant change it) will get best answer!!

I just bought a 3 month gold membership card but i'm really not sure how to set it up, i know the code on the back is for something but where do i go to to set up my account and username?? My buddy set it up for me last year which he made a windows account for some reason. Anyways please enlighten me! Suggestion: Hold ...

So i got my new xbox 360 today and i set up xbox live, they gave me a gamertag so i got on my computer on my account to change it. When i got back onto my xbox live account it wouldnt sign me in because the information was invalid. HELP? How do i fix this??? Suggestion: if you hit the xbox button on the remote, there should ...