Windows 8 and 8.1 Forums


Dual Boot Windows 7 and Windows 8 - Delete Windows 8

  1. #60


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


    Quote Originally Posted by Scott001 View Post
    Hello.
    I have a similar issue where it looks like the screen shot at the beginning of the thread. Only there are two windows 8 icons.
    There is a short pause during boot up asking which version to boot to. (The default is installed correctly).
    When I select the second version there is an error message that it hasn't installed correctly. This is the version I would like to remove.
    I checked Disc Management as it has been previously suggested in the thread and there was only one partition on the drive and I can't see from this view what is installed on it.
    Any suggestions how I can remove the version that hasn't been installed properly?
    Thank you
    Try this:
    Windows Boot Manager - Delete a Listed Operating System - Windows 7 Help Forums

      My System SpecsSystem Spec

  2. #61


    Posts : 1
    Windows 8 Home Premium


    I don't know if anyone has had this situation before but I did the following:

    I purchased a HP Envy 8-1414 with Windows 8 Pre-Installed. Even though I hated Windows 8 (no offense meant), I left it on the PC because I was using machine solely to run a MySQL database and operated from a separate machine running Window 7.

    I no longer need the separate machine and want to phase it out. I still hate Windows 8 (no offense meant), and decided to save money and investigate a dual boot with Windows 7. After weeks of work with UEFI and USB bootable disks I got the dual boot to work.

    I use Windows 7 at work and at home and I do not have, or want a touch screen monitor. I only did a dual boot instead of a clean install with Windows 7 because I didn't want to lose the machine though making a mistake.

    It isn't a huge deal, I can continue to dual boot, but isn't possible to removed the OEM Window 8 that was preinstalled and make it a totally 7 PC? In otherwords, the reverse process??
      My System SpecsSystem Spec

  3. #62


    Posts : 36
    Win7 (32) and Win 8.1 (64)


    Hello. I am attempting to delete Win8.1 from my dual boot system, but am having trouble.

    First, I don't understand why in your example above Win7 partition is greyed out (with diagonal lines) when the goal is to delete Win8. I thought if one is trying to delete a partition that is the one that would be greyed out. Am I missing something?

    Second, and more importantly, when I have attempted to delete my Win8 partition the "delete" option is greyed out, so I have been unable to do what I set out to do.

    Here is a copy of my Disk Management information:
    Click image for larger version

    Thank you.
      My System SpecsSystem Spec

  4. #63


    Posts : 36
    Win7 (32) and Win 8.1 (64)


    Update. I used EasyBCD to change my boot menu (How to Geek How to Uninstall or Remove Windows 8 From Your Dual-Boot Setup) so that I am now booting into Win7, but when I open disk management and try to delete the partition that holds Win8 I get the message, "Windows cannot delete the active system partition on this disk." How should I go about doing that so I can complete the job?

    Incidentally - Excuse my impatience trying to roll back Win8, but my time is limited and I like to solve my own problems when I can.

    Thanks again.
      My System SpecsSystem Spec


  5. #64


    Posts : 879
    Windows 10


    Quote Originally Posted by cachry View Post
    How should I go about doing that so I can complete the job?
    Step One:

    Your Windows 7 hard drive (Disk 1) should be the primary hard drive (Disk 0).

    Step Two:

    If Windows 7 does not start. => How to fix the Windows 7/8/10 bootloader if the hard drive has an MBR (Master Boot Record) partition table. -> link
      My System SpecsSystem Spec

  6. #65


    Posts : 36
    Win7 (32) and Win 8.1 (64)


    Okay, thanks for that information, but just how do I go about accomplishing that? I have to tell you I'm no tekkie.

    When I restart my computer, Win7 comes up as I would want it to, so it does start (your Step 2).
      My System SpecsSystem Spec

  7. #66


    Posts : 879
    Windows 10


    Switch the data cables between the two motherboard HDD ports (Disk 0 and Disk 1).

    And after that, if Windows 7 does not start. => link
      My System SpecsSystem Spec

  8. #67


    Posts : 36
    Win7 (32) and Win 8.1 (64)


    Thanks for your response, but (since Win 7 now boots upon startup) I have some questions and possible other solutions:

    1. What would happen if I simply formatted the disk holding Win8?
    2. If I made the partition containing Win7 active -- and that containing Win8 inactive -- would that work?

    Click image for larger version
      My System SpecsSystem Spec

  9. #68


    Posts : 879
    Windows 10


    Quote Originally Posted by cachry View Post
    1. What would happen if I simply formatted the disk holding Win8?
    Windows 7 does not start.

    Quote Originally Posted by cachry View Post
    2. If I made the partition containing Win7 active -- and that containing Win8 inactive -- would that work?
    No.
      My System SpecsSystem Spec

  10. #69


    Posts : 36
    Win7 (32) and Win 8.1 (64)


    Bottom line from a simple-minded standpoint is it's impossible to swap Disk 0 with Disk 1 (in the partition table) without making the hardware change . . . Is that right?

    What I find most confusing is that Win8 was installed after Win7, and if so shouldn't Win7 be the system partition?
      My System SpecsSystem Spec

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Dual Boot Windows 7 and Windows 8 - Delete Windows 8

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