So, recently my dad bought a mac os 10.2.8 from a friend. And nicely, he gave it to me. (lol) anyway, i was using it, and it was working pretty well. But then i found a old game for mac 9. And me being stupid with computers, i switched my hard drive through system preferences to mac 9. After that, it had asked me to restart my computer, which i did. But now a floppy disk with a question mark pops up, and i don't know how to fix it. And unfortunately i don't have the CD for the computer. So is there anyway to help?