hello!
efawwz 
you have to mention more information about your player, picture if you can, then you should tell if ya cmputer can detect ya player or not, if not you should ues
The dead player recovery guide, if it can be detected by computer you should use as
lattesurf said, use MP3 Utilities Upgrade Tool, then you will need to try random firmwares in the downloads section to attempt to recover your player.