That definitely looks to me like a broken screen. The only way to fix it is to send it back and have it repaired. Can you find out what happened to it while you were gone? Anyone else in the house that might admit to dropping it, sitting on it, or something? I would assume that some sort of physical damage happened while you were away.
As far as a recharge fixing it, that is usually associated with "line out" errors, not a broken screen. I don't think it's going to help in your case.