hi. i need some urgent help. i have a macbook 2007 version. problem am having is that my harddrive crashed. i bought a new hardrive but its in ntfs format. i used macdrive to convert it to mac harddrive but now i cant get my mac to see the harddrive... also i made a bootable cd and and usb but whenever i press option to boot i dont get any option.... also if i dont press option it gives me a folder with a question mark. can i please get some advice