Failing to press the on button, battery low or faulty.
Is your ipod a 5th generation
Most likely cause is the battery is bad.
To turn on a IPod that won't turn on you need to hold down the top button and the bottom (i think) to reboot (not restart) a IPod
you can turn on the side of the ipod touch.
It should only do that if It died completly cause when it dies it turns off
An iPod with a dead battery will refuse to turn on, and it will say to plug in first. In order to turn on a uncharged iPod, you will need to plug it in for a few minutes first.
Yes, the ipod 5th generation does have a forward facing camera.
ipod nano 5th generation,
You can turn off the iPod Touch if you jailbreak it.
5th Generation Ipod Classic
charge it
For the Ipod Nano and the Ipod classic, you just hold the play button down for 5 seconds or so. Do that again to turn it back on.