my 350 blueberry imacs been messing up latley erroring left and right restarting the computer ever 5 - 10 minuets (if your lucky). It might have to do with ram taken out of it, but im gonna put more in. Anyway, I have an 8.5 os disc, or mabey its just an 8 im not sure, anyway I can't seem to get it to completley reformat and reinstall the operating system, can anyone help me?