Windows 10: Trying to Downgrade to Win 8 Using EasyBCD, BSOD occurs, 0x000000f.

  1.    01 Jun 2017 #1

    Trying to Downgrade to Win 8 Using EasyBCD, BSOD occurs, 0x000000f.


    Hello,
    Just as the Title says, I am trying to Downgrade my Lenovo Yoga 300 with a Windows 8 ISO using EasyBCD, Since i dont have a flash drive, I could not do it and had to resort on EasyBCD, I forgot to add some files to the partition and i made the Installer default, and Cant boot, Solution please?
    I at least want to boot into Windows 10 back.. Anyway thanks.
    (i do not wanna buy a flash drive)
      My ComputerSystem Spec

  2. Fafhrd's Avatar
    Posts : 1,928
    Windows 10 x86 14383 Insider Pro and Core 10240
       01 Jun 2017 #2

    Since you have no bootable drive and don't have or want a USB flash drive, I would say you are temporarily stuck.

    You don't state the model number or storage on the Lenovo Yoga 300 - does it have a 64GB SSD or a 500GB HDD, or something else, for instance?

    What's the objection to flash drives - they are only a few dollars for 8 or 16 GB capacity?

    I am guessing you tried to use EasyBCD to create a bootmenu entry to boot the Windows 8 ISO, which apparently doesn't work for you with a Windows setup ISO file.

    When you have a bootable drive, with the windows setup files on it, you may be able to repair your boot menu.
      My ComputersSystem Spec

  3.    01 Jun 2017 #3

    Sorry for the lack of info


    First, I have the Yoga 300-11iby, It is the 500GB hard drive model, My problem is, I have win 10 working, but i mistakenly made Windows 8 installer (which is broken) the default, and when i click F9 to "Choose another Operating System" It gets me back to the same Win 8 Error
      My ComputerSystem Spec

  4. Fafhrd's Avatar
    Posts : 1,928
    Windows 10 x86 14383 Insider Pro and Core 10240
       01 Jun 2017 #4

    If you have Win 10 working, just remove the entry for the Windows 8 bootmenu entry using EasyBCD, making the Windows 10 menu entry the default.
    If you can't boot to Windows 10, you need a bootable system to repair the boot menu.
      My ComputersSystem Spec

  5.    01 Jun 2017 #5

    You dont get me


    YES, Windows 10 Works, But BCD boots Windows 8 as default and does not give me an option to choose win10, when i click F9 to change systems it gets me back to the BSOD
      My ComputerSystem Spec


  6. Posts : 20,059
    windows 10 professional version 1607 build 14393.969 64 bit
       01 Jun 2017 #6

    See if you can re-post in the BSOD Crashes and Debugging forum:

    BSOD - Posting Instructions - Windows 10 Forums
      My ComputerSystem Spec

  7. Fafhrd's Avatar
    Posts : 1,928
    Windows 10 x86 14383 Insider Pro and Core 10240
       01 Jun 2017 #7

    I don't see how you can say windows 10 works, if you cannot boot into it.

    If you can boot into Windows 10, then you can repair the boot.

    If you only have a choice to boot into windows 8 installer, and it doesn't boot there but BSODs, then:

    - You need to boot into something stable in order to repair the BCD.
    - You cannot obtain a memory dump to post in the BSOD thread.





    Since you have nothing to boot from the HDD, then you need another bootable drive eg a USB or DVD.
      My ComputersSystem Spec

  8.    02 Jun 2017 #8

    @Fafhrd is correct. You need to recover the system with a bootable USB flash drive or DVD. What you should have done to begin with is extract the Windows 8 setup ISO file to it's own partition and boot from that partition. Booting from the ISO file is iffy, at best, and if the ISO file is stored on the partition you want to install Windows 8 to, well that just doesn't work.
      My ComputerSystem Spec


  9. Posts : 20,059
    windows 10 professional version 1607 build 14393.969 64 bit
       05 Jun 2017 #9

    Are your files backed up?
    Can you reinstall your applications and recreate you bookmarks?
      My ComputerSystem Spec


 

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