Windows 8 and 8.1 Forums


Dual Boot Installation - Windows 8 and Windows 7 or Vista

  1. #270


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


    Quote Originally Posted by cachry View Post
    Brink, I decided to delete the partition with Win8 on it (per instructions here, thanks) and plan to install the OS on an empty drive (0) soon. But, I am wondering about the "active" drives you had a question about, and if there is something I should be doing to change the designation.
    Mark the two HDD's, Disk0 E: & Disk2 F: INACTIVE.
    Partition - Mark as Inactive - Windows 7 Help Forums

    Best to have the OS drive as Disk0.

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  2. #271


    Posts : 21,816
    64-bit Windows 10


    I agree with Ray.
      My System SpecsSystem Spec

  3. #272


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


    I have already deleted the partition that held Win8 (so am back to Win7 exclusively right now).

    Since I plan to install Win8 on the empty disk, keeping Win7 where it is now, would I still define the empty disk as inactive before I do that?
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  4. #273


    Posts : 21,816
    64-bit Windows 10


    Go ahead and post an updated screenshot of your Disk Management first.
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  5. #274


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


    Click image for larger version
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  6. #275


    Posts : 21,816
    64-bit Windows 10


    Ok. Yes, you would want to mark Disk 0 and Disk 2 from your screenshot as inactive.

    When finished, disconnect all drives except Disk 1 (W7) and the one you wanted to install Windows 8 on, the install Windows 8 to dual boot.
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  7. #276


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


    By "disconnect" I am thinking you mean -physically- disconnect, right? Is there any way to shut down the drive otherwise? That would certainly be my preference!
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  8. #277


    Posts : 21,816
    64-bit Windows 10


    Yep, to physically disconnect the cable from the hard drive, or from the motherboard for the hard drives. This is to prevent them from being mistakenly used by Windows installation.
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  9. #278


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


    I've got a problem, then, because the drive I would need to disconnect would look exactly like the one I want to install W8 on! I suppose I'll have to use trial & error.

    I'll go ahead and designate the two drives we have discussed as inactive, crack the case and disconnect the drive(s) when I'm up to it . . . but I do get the idea.

    Just for the sake of argument, what are the chances of W8 installing itself on the wrong drive, anyway? If it's small I may just back up the drive containing the files and give it a shot.
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  10. #279


    Posts : 21,816
    64-bit Windows 10


    Windows will only install on the drive/partition you select during installation, so there's no problem with that unless you select the wrong one by mistake.

    The main purpose for disconnecting the drives is to prevent them being used for the boot manager or marked as active. This helps to make sure that only the OS drives are seen to help ensure a proper setup.
      My System SpecsSystem Spec

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Dual Boot Installation - Windows 8 and Windows 7 or Vista

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