Hi my xbox broke even thought it was fine when we watched a movie on it a few hours before I didn't keep the box as it was hanging around for 2 months and as the xbox seemed fine I got rid of it as I said the xbox ia only acouple of months old can I return it to argos where I got it without the box surly they don't expect to keep the box for ever people go in the and return hoovers without the box so can I with this item