I have a big problem and i really need help please.

[TrooperManaic]

Hey i softmodded my xbox and locked my drive. I forgot that it was locked and turned it off. How to i restore my main screen. I can play games still and save but i cannot go to my main screen when i turn on my xbox. Also i cannot go back to the main screen by loading mechassault save because i deleated the save a wile back.

Please help.