Q: IPOD not working

  I was listening to my IPod nano Third Generation

4Gwith the iPod/ MP3 Universal Car Audio Cassette Adapter  and everything  was going fine  iPod played perfectly .  We had a problem with our electric cooler cord plugged into the cigarette lighter. I moved try iPod out of the way so it wouldn't get dropped on the floor while my husband was trying to fix the plug  I put it on the sun visor and I put the other sun visor over it so it wouldn't fall off. Well guess what my iPod won't play now. All I have is  blank screen and nothing It won't turn on it won't turn off. It doesn't  at all looked smashed. Could I have ruined it someway  by putting it between two visors. I wouldn't  think an iPod would be that sensitive. I ran over its with a car once and it  was smashed to pieces but it played. Any idea what could be wrong with it?  Other than  a blank screen it seems in good shape.I see no damage at all It had played fine 3 mins before that. It was only between the 2 sun visors not more than 4 minutes. Any idea what could be wrong with it? I have tried hooking it up to the computer but the computer says it is not connected I put it on the radio charger but  nothing