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efi boot

  1. P

    Windows 7/8.1/10 EFI boot nvidia geforce 320m

    Hello guys I know this has been extensively discussed previously, in this thread (http://forums.macrumors.com/threads/win7-x64-booting-natively-via-efi-no-bios-emulation.696523/) although after reading 43 pages of posts, I still am unable to get any of the windows operating system working...
  2. bmac89

    Bootcamp Windows 10 from External Drive?

    hello, I am wondering whether it is possible to install and boot windows 10 preview from an external hard drive? The external hard drive is running Yosemite. You can boot OSX from an external so I though maybe bootcamp might work too. However from my attempts it seems an internal drive...