Mp3 player doesn't charge and plug in laptop!

Hello, today i tried to plug my Samsung Mp3 player to my laptop but it doesnt recognixe. Then i tried to charge it and it doesnt work either. I have idea what has happened to my Mp3 player. I'm able to listen to music but I cant charge it and my laptop doesnt recognize it. Usually, when i plug it in my laptop it said connecting on my Mp3 player's screen. Please help me.....