Xbox Details

If one of my friends came over and signed into their profile on my xbox would we both be able to play if we are both signed into our own live accounts. I know you couldnt do this before but someone said you could do it on Modern Warfare 2

        

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like for a game its a 5 dollar minimum, so whats the minimum for this at gamestop?

        

in modern warfare 2 for xbox 360 i’m trying to get the achievements for doing the lvls on veteran….can i do those lvls on mission selects and still get the achievements or do i have to do the whole game?

        

I am so sick of this.

        

Hey guys, can u tell me if there is a way to get all the achievements in this game.
i need a glitch or a cheat THAT WORKS, if u do, plz send it to my xbox gamertag: skykillz
just to tell u now, i dont have xbox live gold so i hve to go solo on the game
i only have nine achievements left for call of duty: modern warfare 2 and they are all for special ops
so plz send me a way to get all the achievements

FYI: The best answer will get ten points

        

I had one red light flashing in the bottom right corner. How long will the process at xbox repair center take to fix and then ship it out

        

I went to play Call of Duty Modern Warfare 2 today, and after a few matches, the screen looked really messed up, when I say this I mean like, scan lines, if you don’t know what scan lines are here is an example: http://gangsterserver.com/wp-content/uploads/2008/05/finished.jpg
Like that, except up and down, and it’s more severe than that, so I was wondering if anyone else is by chance having that problem or is it just my xbox or game? If it’s the game what should I do?

The weird thing is, when I pause it it’s fine, but as soon as I go back to the game on the map it looks just like that..So if anyone could help it would be much appreciated.

        

My xbox got the three red rings a while back, and I haven’t sent it off to get repaired because my warranty expired. If I place a repair order, how much will it cost me?