Windows 8 and 8.1 Forums


Dual Boot Installation - Windows 8 and Windows 7 or Vista

  1. #90


    Posts : 230
    Windows 8.1 x64


    Yep...now I have Windows 7 on the SSD and Windows 8 on the HDD - each with their own MBR. Time to get the dual boot sorted now....

      My System SpecsSystem Spec

  2. #91


    Posts : 230
    Windows 8.1 x64


    OK. I think I've nailed it. I'll do a little tutorial as an alternative method to yours Brink once I've tested it a bit more. Is that OK?

    Regards,
    Golden
      My System SpecsSystem Spec

  3. #92


    Posts : 21,825
    64-bit Windows 10


    I think your method may be an exception instead of something to always do though since that's actually a harder way of dual booting with them. You would normally not have to install EasyBCD or have that much trouble to dual boot with them.

    For now, I'd say to make a post in the existing tutorial outlining this for those with the same issue that you had, and we can go from there if it turns out to be more common.
    Last edited by Brink; 31 Dec 2011 at 01:42.
      My System SpecsSystem Spec

  4. #93


    Germany/Florida
    Posts : 4,515
    Vista and Win7


    Great!! Now all you have to do is switch the boot sequence in the BIOS.
      My System SpecsSystem Spec


  5. #94


    Posts : 230
    Windows 8.1 x64


    Wolfgang - I've managed to make it dual boot by editing the bootloader of Windows 8 using EasyBCD. That way, I get the choice which OS to fire up.

    Basically, the outcome is the same as that in Brink's tutorial, I just went about it differently.
      My System SpecsSystem Spec

  6. #95


    Germany/Florida
    Posts : 4,515
    Vista and Win7


    Quote Originally Posted by Golden View Post
    Wolfgang - I've managed to make it dual boot by editing the bootloader of Windows 8 using EasyBCD. That way, I get the choice which OS to fire up.

    Basically, the outcome is the same as that in Brink's tutorial, I just went about it differently.
    That is another good way - although I personally prefer to switch via the BIOS boot sequence and leave my bootmgrs as is.
      My System SpecsSystem Spec

  7. #96


    Posts : 230
    Windows 8.1 x64


    Brink,

    This is the approach I took to overcome my issue with installing Windows 8 as a dual boot via the normal method outlined in your tutorial - feel free to add as an alternate approach to your tutorial if you like.

    Background:
    Currently Windows 7 is installed to an SSD - lets call this DISK0. I wish to install Windows 8 to a separate HDD - lets call this DISK1. I wish to be able to select which OS to run at bootup.

    Step 1:
    Disconnect from the motherboard all existing hard drives, with the exception of DISK1 to which i wish to install Windows 8.

    Step 2:
    Boot from the Windows 8 ISO as normal, and install to DISK1.

    You now have the situation where:

    - Windows 7 is installed to DISK0 with its own MBR
    - Windows 8 is installed to DISK1 with its own MBR

    You can boot to either OS simply by changing the DISK order in the BIOS. If DISK0 is first, the Windows 7 MBR will be read and will boot. If DISK1 is first, the Windows 8 MBR will be read and boot. The goal is to edit the bootloader so that that you can choose which OS to boot from, without having to change the DISK order in the BIOS.

    Step 3:
    Shut down the PC, and reconnect all your hard drives again, including DISK0 (the Windows 7 installation).

    Step 4:
    Reboot the PC, and enter the BIOS. Ensure that the first disk to boot is DISK1 (the Windows 8 installation).

    Step 5:
    Once booted, download and install EasyBCD. Run EasyBCD, and click on Add New Entry. Select the following:

    Type: Windows Vista/7
    Name: Windows 7
    Drive: <browse to DISK0>

    If you select View Settings, the bootloader will show two entries - one for Windows 8, and the other for Windows 7.

    Step 6:
    Reboot the PC. You will get the option of which OS you wish to boot into.

    Note : Originally I tried to edit the bootloader whilst I was booted into Windows 7, but that doesn't work. You must edit the bootloader when you are booted into Windows 8.

    Regards,
    Golden
      My System SpecsSystem Spec

  8. #97


    Posts : 21,825
    64-bit Windows 10


    Golden,

    I'm with Wolfgang (whs). I also prefer to have both OS's on the same MBR as well to be able to easily switch between them by selecting one in the Windows Boot Manager at boot like it's suppose to be. Having the MBR on two separate drives like that is just to much work and not real pratical IMO. I couldn't recommend that as an option for everyone to use.
      My System SpecsSystem Spec

  9. #98


    Posts : 230
    Windows 8.1 x64


    I agree Brink, but if you have no other choice....well, it works. I don't know why following your tutorial never worked for me, I just can't work it out.

    Regards,
    Golden
      My System SpecsSystem Spec

  10. #99


    Posts : 21,825
    64-bit Windows 10


    That was strange. I'm not sure why it didn't work for you. A gremlin in there somewhere.
      My System SpecsSystem Spec

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Dual Boot Installation - Windows 8 and Windows 7 or Vista

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