My nano 4 ipod is frozen, show only apple sign

SOURCE: Frozen iPod nano

try to put the ipod into disk mode, while connected to PC, perform first hard reset by holding select and menu buttons until it restarts, when quickly change to pressing select and play buttons, then it must go into disk mode, will sync with PC and must show in iTunes, perform restore function to reformat the memory

SOURCE: apple ipod nano wont play the full song

First make sure your hold switch isn't on. It's on the top or bottom and slides back and forth. It needs to be switched to the left. Once it is to the left, here's how you reset:

You can reset your ipod by holding down the menu and select (round button in the center) buttons down for at least 10 seconds. You'll see an apple logo flash, that's when you stop pressing the buttons. It will shut off, then back on.

SOURCE: Frozen Ipod

what you can do, is take the hold button, and push it back and forth maybe 2 or 3 times, than you hold down the "menu" utton and the center button at the same time for about 10 seconds and you will see it restarting with a black screen and the apple icon in the center than you can let go of the buttons and about 10 seconds it willl become brighter and you will see the icon, then you can get to all of your music or videos and such