My ipod just went off

one day i was listening to my ipod connected to my computer speakers only(not my computer) i unplugged it and the screen just went blck. i let it uncharge for about two days and tried plugging it up to the computer and it says i can remove the device,but the screen stays blck and i cant do any thing with it if you can help or think you can help please e-mail me at: tylr_dwny@live.com thanks