Windows 8 and 8.1 Forums


Trying to install Windows 8 on a partition on 3TB HDD

  1. #1


    Posts : 4
    Windows 7 Professional

    Trying to install Windows 8 on a partition on 3TB HDD


    I've looked through a number of threads and have not come across a fix that works for my situation. I have my main windows install (Win 7 professional) on a 128 SSD. I just put a new 3TB HDD in and want to install windows 8 professional on a small partition (~70GB) on that drive and use the rest of the disk as extra storage space. When I boot windows 7, I can see the large partition on the 3TB drive and can use it no problem. I had a 70GB space of unallocated space on the end of the drive. So I put in my windows 8 install disk, did custom install and selected to install Windows 8 on the unallocated 70GB partition. The installation began and rebooted for the first time. When the computer came back up, it asks if I want to boot windows 7 or windows 8. I choose boot from windows 8 and it tells me "Your pc needs to be repaired. File: windows\system32\winload.exe is missing or contains errors. You'll need to use recovery tools on your installation media." (I'm assuming this is because the install did not finish) Ok fine. I reboot from the disk and try the automatic repair and it says "Automatic repair could not repair your PC".

    Here's a few things I tried:
    -I updated my BIOS on my motherboard to the most current version and ensured it boots CD/DVD in EFI mode or whatever
    -I tried the "bootrec /rebuildbcd" command in the terminal on the install disk
    -I tried manually entering a boot record for windows 8 using EasyBCD 2.2 (which got us to the "Your pc needs to be repaired..." screen whereas before it would just boot to windows 7)
    -I tried using diskpart to manually set the partition to active
    -I tried to restore the MBR via the windows 8 install disk terminal (I did this using this tutorial, fix #3: https://neosmart.net/wiki/0xc0000225/)

    Let me give you some info about my system:
    -gigabyte GA-970A-D3 motherboard, rev 1.0/1.1, bios version f13b
    -the 3TB drive is a Western Digital Black
    -the 128GB SSD is an Intel SSDSC2CT120A3 (but I don't think this will matter)
    -Windows 7 Professional SP1 is my main windows install
    -AMD FX 4170 processor (also not sure this is relevant)

    Any help would be greatly appreciated!

      My System SpecsSystem Spec

  2. #2


    Posts : 1,121
    Windows 8.1 x64


    Is your Windows 7 install a Legacy (MBR) install?

    You are booting to the UEFI version of Windows 8?

    Any way to get a picture of the Disk Management window?

    Have you tried removing the SSD while installing Windows 8?
      My System SpecsSystem Spec

  3. #3


    The East Coast
    Posts : 101
    Windows 7 Pro x64 Windows 10 Pro x64 Build 9926


    The hard drive is probably configured as GPT, it needs to be converted to MBR to play nice with your ssd.

    Didn`t you get a window asking you how you wanted it confoigured when you 1st hooked it up and booted up Windows 7 ?

    Convert GPT Disk to MBR Disk - Windows 7 Help Forums

    And don`t put Windows 8 at the end of the drive ( the far right in disk management ) put it at the beginning.

    Do you want to create a dual boot or do you want to keep the operating systems independent ?

    Unplug the ssd when you install W8 to keep them independent.

    Plug both drives in, keep your ssd 1st in the bios, then just use the 1 time boot menu key to choose the hard drive to boot W8.

    You`ll still be able to use it for storage from 7 or 8
      My System SpecsSystem Spec

  4. #4


    Posts : 4
    Windows 7 Professional


    Quote Originally Posted by Saltgrass View Post
    Is your Windows 7 install a Legacy (MBR) install?

    You are booting to the UEFI version of Windows 8?

    Any way to get a picture of the Disk Management window?

    Have you tried removing the SSD while installing Windows 8?
    Question 1: I'm not sure. How do I check?
    Question 2: I'm not sure. How do I check?
    Question 3: I don't have anything on the 3TB drive so I just unallocated all the space on it, but I will provide a screenshot as it is currently.
    Question 4: I did try that. After the first reboot of the install of win 8, it would get to the screen that says "Loading operating system" and sit there and do nothing.Click image for larger version
      My System SpecsSystem Spec

  5. #5


    Posts : 4
    Windows 7 Professional


    Quote Originally Posted by AddRAM View Post
    The hard drive is probably configured as GPT, it needs to be converted to MBR to play nice with your ssd.

    Didn`t you get a window asking you how you wanted it confoigured when you 1st hooked it up and booted up Windows 7 ?

    Convert GPT Disk to MBR Disk - Windows 7 Help Forums

    And don`t put Windows 8 at the end of the drive ( the far right in disk management ) put it at the beginning.

    Do you want to create a dual boot or do you want to keep the operating systems independent ?

    Unplug the ssd when you install W8 to keep them independent.

    Plug both drives in, keep your ssd 1st in the bios, then just use the 1 time boot menu key to choose the hard drive to boot W8.

    You`ll still be able to use it for storage from 7 or 8
    So I unallocated all the space on it so the 3TB is not formatted currently while we try to figure this out. I read that for hard drives that are above 2.2TB, the drive has to be in gpt format. Is this not true?

    As to your question about dualbooting, the way I had it configured before was that the 2 windows installs were independent and I could choose which windows I wanted to boot on startup. This is what I'm trying to achieve.
      My System SpecsSystem Spec

  6. #6


    Posts : 2,690
    Windows 3.1 > Windows 10


    you are using MBR and have a 4 partition limit

    wiat that 4 disks..

    windows setup will format that disk via gpt - and should add it boot manager files into the current bcd
      My System SpecsSystem Spec

  7. #7


    Posts : 4
    Windows 7 Professional


    I figured it out. I just left the whole drive unformatted and let the windows 8 install take care of the partitioning. Now I can just shrink the partition to get the extra space back Thanks all for your help
      My System SpecsSystem Spec

Trying to install Windows 8 on a partition on 3TB HDD
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