My ipod 5th generation won't turn on, and Reboot doesn't work.

Okay, so a few weeks ago I turned by Ipod (5th gen, I have had it for about two years) off so I could watch a theater performance. It hadn't had the new update as I have not had internet for a while. Later that day when I tried to turn it on, it wouldn't(I also dropped it shortly after that cracking the screen). I tried to Just use the on button, which then the apple logo would appear and then after a minute it would go black. I tried rebooting but the same thing happened. I tried lots of button combinations but not matter what it just won't finish starting up. It tires to turn on whenever its plugged into something, but in the end it just goes black again. One time when it was plugged into the wall and I tried to reboot it, and it didn't turn on, I tried holding the home button. Then this one thing appeared where it basically said to plug it into iTunes, but I didn't get it to the computer before the symbol disappeared.

It's kinda banged up around the edges, (had a dent right near the speaker part), and now the screens black, but It has never done this before and was working perfectly before I turned it off.

Does anyone know of something I can do to fix it? I'll take any suggestions. Also, does anyone know what could be wrong with it in the first place and if I need to take it to a shop or specialist?