boot Windows 10 from vhd on Windows 7 host

Discussion in 'Windows 10' started by stayboogy, Feb 17, 2015.

  1. stayboogy

    stayboogy MDL Addicted

    May 1, 2011
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    I'm having trouble booting 10 Technical Preview from vhd using a Windows 7 host machine

    I'm assuming that the bootloader changed in Windows 8 and since I'm using the bootloader from 7 I can't chainload the Windows 10 properly.

    If there is some way that I can chainload Windows 10 that is installed to a vhd (which is completely supported in the Technical Preview) I would appreciate the info... I do not want to have to replace the bootsect of my mbr with the newer windows one if at all possible
     
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  2. ZaForD

    ZaForD MDL Expert

    Jan 26, 2008
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    #2 ZaForD, Feb 17, 2015
    Last edited by a moderator: Apr 20, 2017
    Hi stayboogy,

    Boot into Windows 7 and mount the Windows 10 VHD.
    Open an Admin CMD Prompt and type
    Code:
    bcdboot X:\Windows /s Z:
    for BIOS
    or UEFI
    Code:
    bcdboot X:\Windows /s Z: /f ALL
    X = Windows 10 VHD
    Z = Windows 7 Boot drive.

    That should replace the Windows 7 bootloader with the Windows 10 bootloader, when you reboot you should have the options for both Operating Systems ;)
     
  3. stayboogy

    stayboogy MDL Addicted

    May 1, 2011
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    #3 stayboogy, Feb 17, 2015
    Last edited by a moderator: Apr 20, 2017
    (OP)

    THANK YOU,

    but

    I was trying to avoid having to use the new bootloader on my mbr... guess there's no way around it... ugh
     
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  4. ZaForD

    ZaForD MDL Expert

    Jan 26, 2008
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    Sorry mate, not that I know of. :(