Alright well i have in iMac intel 3.06 ghz... but my problem is when i try and boot up osx i get the white screen with the apple and the circle thing spinning but it wont ever load... luckily i have windows in bootcamp so im able to still use my computer and i am able to select windows as a startup location... i have tried to directly boot osx on startup and i have tried using bootcamp from windows to restart on the osx partition and it is not working... please help.