1G, 2G and 3G iPod and iPod Nano

• 1). Press the "Play" button and the "Menu" button simultaneously.
  
  
• 2). Release the "Play" and "Menu" buttons when the Apple logo appears. Press the "Rewind" and "Fast-Forward" buttons.
  
  
• 3). Release the buttons when the Apple logo turns into a check mark. The check mark signifies that the iPod is in disk mode.
  
  

4G iPod and iPod Nano

• 1). Press the "Menu" and "Center" buttons simultaneously and hold them down until the Apple logo appears on the screen.
  
  
• 2). Release the "Menu" and "Center" buttons and press the "Fast-Forward" and "Rewind" buttons.
  
  
• 3). Release the buttons when the Apple logo turns into a check mark. The check mark signifies that the iPod is in disk mode.