Boot Camp Assistant creates non bootable Windows drive

Discussion in 'Windows, Linux & Others on the Mac' started by ssraf, Jan 19, 2015.

  1. ssraf, Jan 19, 2015
    Last edited: Jan 19, 2015

    ssraf macrumors newbie

    Joined:
    Jan 19, 2015
    #1
    Hello all
    I've been trying, for the last 8 hours to install Windows via Boot Camp without any success

    Some information:
    MacBook Pro (13-inch, Early 2011)
    OS X Yosemite
    Windows source file: en_windows_7_professional_x64_dvd_X15-65805.iso

    1. The first problem I had was that Boot Camp wouldn't enable the "Create a Windows 7 or later version install disk"
    1.a) I tried burning a DVD without success
    2.b) I finished by changing Boot Camp Content Folder as instructed here.

    2. Once, with the USB installed I partitioned my HD via Boot Camp but, after restarting the computer, I would receive a message asking me to insert a valid bootable drive.
    2.a) I searched some more and found out that only GUID partition type USBs will boot.
    2.b) I checked the USB Partition Map Scheme and it says: Master Boot Record
    2.c) I changed the partition type back to GUID but, of course, when Boot Camp reinstalls Windows it goes back to MBR...

    3. Why in the earth would Boot Camp create a non bootable bootable drive???

    4. What am I doing wrong?

    Thanks a lot!
     
  2. Gjwilly macrumors 68030

    Joined:
    May 1, 2011
    Location:
    SF Bay Area
    #2

    That might be correct for booting OSx but Windows boot discs MUST be MBR.

    Your main problem, though, is that MacBooks with optical drives have to install Windows from the optical drive. Installing from a flash drive, bootable or not, will fail every time.
    What went wrong when you tried burning the DVD?

    Here's a thread claiming to have a work around for installing without the optical drive but I haven't tried it.
    http://forums.macrumors.com/showthread.php?t=1836959
     
  3. yjchua95 macrumors 604

    Joined:
    Apr 23, 2011
    Location:
    GVA, KUL, MEL (current), ZQN
    #3
    Windows boot discs must be MBR only when installing in legacy BIOS environments.

    UEFI environments require a GPT boot disk for Windows.
     
  4. Gjwilly macrumors 68030

    Joined:
    May 1, 2011
    Location:
    SF Bay Area
    #4
    Yes, but that's not the case here since the OP is talking about Boot Camp.
     
  5. yjchua95 macrumors 604

    Joined:
    Apr 23, 2011
    Location:
    GVA, KUL, MEL (current), ZQN
    #5
    Boot Camp is no longer legacy BIOS-only. Boot Camp is now UEFI for Haswell and later Macs, and legacy BIOS for Ivy Bridge and earlier Macs.

    That said, there are ways to get UEFI Windows running on the Ivy Bridge and earlier noes.
     
  6. ssraf thread starter macrumors newbie

    Joined:
    Jan 19, 2015
    #6
    Thanks guys

    It worked, I should've burned the DVD from the beginning!

    Cheers!
     

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