Selecting a temporary startup device Use this procedure to startup from any boot device. Note: Not all CDs, hard disks, and diskettes are startable (bootable).
1. Turn off the computer.
2. Turn on the computer and look for the following prompt on the logo screen: (To interrupt normal startup, press Enter)
3. Press the Enter key.
4. When the Startup Interrupt Menu displays, press F12.
5. Double click the desired startup device from the Alternate startup devices.