Hi all, just got my new RMBP and want to install W7 on it. So I downloaded W7 Ultimate from my company's website. Then I started bootcamp. I inserted a Windows USD external harddrive. I checked the three items in bootcamp: - Create a W7 install disk - Dowload the lates Windows support software from Apple - Install W7 When I go ahead the program tries to for format my external hard drive but always fails saying: "Your bootable USD drive could not be created". What can I do???? Please I need your help because I need to work with this mac. Thank you very much.