My game came buggy

I need help
I downloaded the game , however WHEN I play on MyScreen NO appears my hands and it is also not possible to see the sights of my character .
I looked in All Kinds of configuration , however, remains unresolved.
I 've tried to delete and download again and NOT Resolve.

information :
Game: Halo 4
console: Xbox 360
Media Buying

If you are playing Campaign, make sure the ‘Blind’ Skull is turned off in the modifier menu (this Skull hides the in-game HUD in Campaign, including arms and guns). If you are experiencing this in Multiplayer, I’m afraid I’ll be of no help there.