Windows 8.1 on a mac Pro rev 1,1 2006

Discussion in 'Mac Pro' started by LaurentR2D2, Jun 13, 2015.

  1. LaurentR2D2 macrumors member

    Joined:
    Jul 24, 2011
    Location:
    Paris - France
    #1
    Hello

    Is there a way to install Windows 8.1 on a Mac Pro rev 1,1 2006 ? I've searched on Google without success, but I've seen someone mentioning in that there was a way to do it. I have Yosemite installed using the Pike's boot.efi

    Mac Pro rev 1,1 2006
    Graphic card : ATI Radeon HD 5870 1 Gb
    RAM : 7 Gb
    Yosemite : 10.10.3

    Thank you
     
  2. nbfiore macrumors newbie

    nbfiore

    Joined:
    Jan 4, 2011
    #2
    I've done it on my mac pro 1,1 2006 by first installing windows 7 and then upgrading to 8.1
     
  3. LaurentR2D2 thread starter macrumors member

    Joined:
    Jul 24, 2011
    Location:
    Paris - France
    #3
    Thank you. The problem is that I don't have Windows 7, that's why I wanted to try directly :)
     
  4. IowaLynn macrumors 6502a

    IowaLynn

    Joined:
    Feb 22, 2015
    #4
    Since Vista x64 SP1 our EFI32 is blocking installs without modifying the installerwhich can be done - or begin the instaalll on a PC first
     
  5. LaurentR2D2 thread starter macrumors member

    Joined:
    Jul 24, 2011
    Location:
    Paris - France
    #5
    I've finally found a copy of Windows 7. Now, I try to change the Info.plist as shown in the video below to be able to generate a windows install usb key with Bootcamp assistant, but when I launch Bootcamp assistant after the change, it crashes. I've change PreUSBBootSupportedModels for USBBootSupportedModels and added the line <string>MacPro1,1</string>

     

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