I currently am trying to install OS X on my new HD and (Fujitsu MHW2120BH 120GB 5400 RPM Serial ATA150 Notebook Hard Drive) into my macbook 2.0 core duo. The HD was installed correctly and I erased the drive using disk utility. When I restart the computer, I keep getting the alert "The software cannot be installed on this computer". I'm using the original install discs as well. Thanks for your time and your help would be greatly appreciated!