?"

This is bad advice.
What you should have asked wa
"Does the computer boot from other media first in the BIOS?"
"Do you have a virtual appliance to test the disk and CD?"
"Does the md5 or sha sum match that of the original image?"

In the event you are wondering, my session timed out.
The original post: http://www.computerhope.com/forum/index.php/topic,101018.0.html