To run Symantec Recovery Disk, you must be able to start your computer using a CD.
To configure a computer to boot from a CD
As the computer starts, watch the bottom of the screen for a prompt that tells you how to access the BIOS setup.
Generally, you need to press the Delete key or a function key to start your computer's BIOS setup program.
In the BIOS setup window, select Boot Sequence, and then press Enter.
Follow the on-screen instructions to make the CD or DVD device be the first bootable device in the list.
Put your Symantec Recovery Disk CD into the CD drive, and then restart your computer.
Save the changes and exit the BIOS setup to restart the computer with the new settings.
Press any key to start Symantec Recovery Disk.
When you start your computer with the Symantec Recovery Disk CD in the drive, you will see a prompt telling you to Press any key to boot from CD. If you do not press a key within five seconds, your computer will attempt to start from the next bootable device listed in the BIOS.