reimaging a dell lattitude c510

I am using symantec ghostcast server from my desktop pc to reimage a laptop and in the laptop i put in the hirem’s all in 1 bootCD v9.2. which I have used before to create an image. I boot up the laptop with the cd in it and i click on nortton ghost 11.0.1 and ghost w/network support
then i get an error saying “BootCD files not found”. why am i getting this error???