BF2S Forums [Xbox 360] can anyone get into marketplace?>

ive been makin alot of threads about the 360 but i cant get into the frickin market place or anything....it goes to dashboard...im on xbox live yet it says i need to connect to it because theres the connect to xbox live button......i click it.....has the xbox loading thing that goes on for about 10sec....the same screen pops up that shows i need to connect even though im in