i have a 6500/225 and i have a copy of mac os x 10.2. I boted with the cd on my 6500 for experimental experiences. it had a kernal panic and then i took the cd out and botted of my hardrive using 8.1. it had the ding sound but that was all, my applevision 1710 av just turned on for one second and then it immediatly turned off. i tried it on my old 15 inch apple monitor and it didnt turn on . both work with my 7500. please help. i tried zapping the pram but no diffrence. opened up the case and pressed this red button and still no diffrence