Windows 8 and 8.1 Forums


Dual boot 8/7 install issue

  1. #1

    Dual boot 8/7 install issue


    All I could find on the subject was this thread, which doesn't entirely help me...

    Dual Boot Installation - Windows 8 and Windows 7 or Vista

    The above thread is for dual booting 7/8 when Vista/7 are already installed. My laptop has 8 on it, and that's it.

    I'm trying to install 7 on a second partition (lack of software support on 8 this early and all that,) and am running across errors. I used Partition Wizard to shrink my primary partition, I gave it 100GB free. When I try to load Windows 7 onto it, I get:

    "Setup was unable to create a new system partition or locate an existing system partition. See the setup log files for more information."

    The Win 7 setup does see my 100GB partition in there, anyone know what's going on?

      My System SpecsSystem Spec

  2. #2


    Posts : 3
    win 8 pro, win7 Ultimate


    What do the setup log files say about it?
      My System SpecsSystem Spec

  3. #3


    Posts : 3
    win 8 pro, win7 Ultimate


    Have you tried using EasyBCD? It makes almost any multi boot scenario a piece of cake.
      My System SpecsSystem Spec

  4. #4


    Where are the logs located? And I've used EasyBCD in the past, what would I do inside of EasyBCD to fix this?
      My System SpecsSystem Spec

  5. #5


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1
      My System SpecsSystem Spec

  6. #6


    Here is my current disk management, the 100GB space is where I'm trying to put Windows 7

    Click image for larger version
      My System SpecsSystem Spec

  7. #7


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Try contventing the Logical drive to a Primary Partition.See if that helps.
      My System SpecsSystem Spec

  8. #8


    OK, that worked, thanks! I have Win 7 loaded on the 100GB partition now.

    But...

    Now I don't get a boot menu, it just goes to Win 7 every time.

    Thoughts?
      My System SpecsSystem Spec

  9. #9


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    1) Make sure your Windows 8 HD Drive is set to first boot. ( not in your case)

    2) Install EasyBCD, http://neosmart.net/EasyBCD/]EasyBCD[/b]

    3) Add your second OS.

    4) Test both OS's are booting OK.

    NOTE: EasyBCD will use the Windows 7 Boot Loader.

    Click image for larger version


    After you have made the dual boot with EasyECD, If you would like to use the Windows 8 Boot Loader, do a
    Refresh Windows 8
    After doing a refresh, you will be using the Windows 8 Boot Loader.

    Click image for larger version


    Refresh will also delete EasyBCD.

    Click image for larger version


    warning   Warning
    Refresh may delete other app aswell.
      My System SpecsSystem Spec

  10. #10


    Posts : 6
    Windows 7


    Quote Originally Posted by theog View Post
    Try contventing the Logical drive to a Primary Partition.See if that helps.
    Can you tell me how to convert Logical drive to a Primary Partition using Windows Disk management utility.
      My System SpecsSystem Spec

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