HI...I just got my new mp3 player from ebay. its 2 g, 1.5 screen from china/hong kong....Please help....

The only thing that appears after its loaded is a music page adn the nothing else, when I click the right button, nothing happens, tried the left buttton nothing happens..tried the menu buttons, some toher screen comes but i can't go up and down...Please help me!

Also, what program does the mp4 need!? like ipod has itunes to manage its songs, list etc..what about mp4?

thanks