I don't understand. I just got a new hard drive and installed it in my computer. I booted it and the computer started. Both my hard drive and the one I just installed appeared. I formated the new one to mac and turned off the computer. I turned the computer back on pressed option at boot. Waited for my install disk to appear and went upstairs to my other computer to check on my video compiling. About 30 minutes after I came back with a nice kernel panic and the fans were running at full speed. I turned it off waited a minute and tried to reboot off the cd. The apple logo appeared then the little wheel under it and just as the screen was turning blue to say welcome to mac os x 10.5 kernel panic. I thought well maybe I could boot of the hard drive. Again right as the screen was turning to the aurora backround where it askes you to log in kernel panic. Any ideas whats wrong. I read this post
I haven't tried anything from it though. I might try safe booting but I don't wanna break anything.
Sorry, no clear idea, but as a guess I'd say the connection.