Hi, its me again I know ive been posting stuff about my mac and I was doing something then i turned off my mac to go get something to eat and when i came i turned it on and the screen goes black and (in windows style) it says Windows System File not found or somethin like that... WINDOWS??? So i put in one of my XP cd's and it rejected it, then i put a vista ultimate cd and it accepted as if i was installing windows vista on the comp.... I dont want that !!!! what do I do ???