Well my G4 is booting into some strange command prompt and I have no idea why or how to fix it. When I try to boot from a cd it just has the little spining circle thing under the apple and never movies past that. Sometimes instead of going to the command prompt it will just go greay and say I need to restart my system. I have tried resetting nvram, and all that did was bring my bong back (which has been missing for a while)

Ok....now my g3 b/w gets to the grey screen with the apple, and then the apple turned into a circle with a line in it....I have no idea what to do with that either.