Direct Boot Method

• 1). Insert the Leopard DVD into the disc drive.
  
  
• 2). Restart the computer.
  
  
• 3). Hold in the "C" key immediately after the startup chime.
  
  
• 4). Release the "C" key after the computer begins to boot from the Leopard DVD. This normally requires approximately 30 seconds.
  
  

System Preferences Method

• 1). Insert the Leopard DVD into the disc drive.
  
  
• 2). Click the "System Preferences" icon in the Dock.
  
  
• 3). Click the "Startup Disk" icon.
  
  
• 4). Click the Leopard DVD.
  
  
• 5). Click the "Restart" button. The computer restarts and automatically boots from the Leopard DVD.