Help about formating usb 2.0 on macbook and pc

[vigorito]

I have kingstone usb 2.0 16gb which is formated ntfs in win,i recenty switch to macbook pro and i was using usb for some reads and writes,i wanted to use that usb to make a bootable win 7 usb disk drive while i was formating usb in mac several times i press the zero someting erase option or i forgot how was the name of erase option so mac start to erase usb and estimate time was 50+ minutes i stopped that and now when i insert usb into win machine its shows only 180mb instead of 16gb,when usb is in mac it shows 16gb and im able to copy win 7 iso file on it but when is in win machine its shows 180mb only,i tried to format like ntfs in mac and copy win 7 iso file 4gb but when i insert usb into win machine first thing win ask me is A MUST format so i will lose iso file which i allready copy to usb and after format win see usb only like 180mb please help how to make usb ntfs again 16gb for mac and win too thanks

 

[zone23]

I have kingstone usb 2.0 16gb which is formated ntfs in win,i recenty switch to macbook pro and i was using usb for some reads and writes,i wanted to use that usb to make a bootable win 7 usb disk drive while i was formating usb in mac several times i press the zero someting erase option or i forgot how was the name of erase option so mac start to erase usb and estimate time was 50+ minutes i stopped that and now when i insert usb into win machine its shows only 180mb instead of 16gb,when usb is in mac it shows 16gb and im able to copy win 7 iso file on it but when is in win machine its shows 180mb only,i tried to format like ntfs in mac and copy win 7 iso file 4gb but when i insert usb into win machine first thing win ask me is A MUST format so i will lose iso file which i allready copy to usb and after format win see usb only like 180mb please help how to make usb ntfs again 16gb for mac and win too thanks

I format to ExtFat its readable in both Windows and OSX.

 

[vigorito]

Ok i will try it now,but is there any limitation with file size on ex fat like 4gb?

 

[leman]

Ok i will try it now,but is there any limitation with file size on ex fat like 4gb?

No, exFAT was designed specifically to overcome these limitations of older FAT systems.

 

[vigorito]

Ok i will try it, but can i install win 7 on macbook pro 13 retina with bootable usb drive with exfat formated not ntfs?

 

[leman]

Well, thats a different matter. If you want to make a bootable windows installation key you can use Bootcamp Assistant to prepare one - works only if you have one of Macs without optical drive. If your macbook has an optical drive, its easier just to burn a DVD. There are some tools and methods which will allow you to create a bootable USB key, but it can be a bit tricky.

 

[vigorito]

Well, thats a different matter. If you want to make a bootable windows installation key you can use Bootcamp Assistant to prepare one - works only if you have one of Macs without optical drive. If your macbook has an optical drive, its easier just to burn a DVD. There are some tools and methods which will allow you to create a bootable USB key, but it can be a bit tricky.

I sont have optical drive so i need a usb,i allready play few hours with boot camp but its just refusing every time to make a bootable usb so i took win machine to make it and i will try if not i will buy external drive, thanks for help i did ex fat and it worked after that i again format it ntfs over exfat and it good now