Windows 8 and 8.1 Forums


Where do I install Windows 8?

  1. #1


    Posts : 1
    Windows 8

    Where do I install Windows 8?


    Hi,
    I am trying to perform a custom install (clean install) of Windows 8 onto my computer. Entering the product key is all done but now it's asking me where I want to install Windows. It gives me two partitions to choose from but they both display this error:


    'Windows cannot be installed to this disk. The selected disk has an MBR partition table. On EFI systems, Windows can only be installed to GPT disks.'


    Does anyone know what to do about this? Formatting them doesn't do anything and the 'new' option is greyed out. Do I have to delete them to be able to create a new one?


    Please help! This has been driving me crazy!


    Thanks in advance

      My System SpecsSystem Spec

  2. #2


    Posts : 879
    Windows 10


    Quote Originally Posted by Ladybird87 View Post
    'Windows cannot be installed to this disk. The selected disk has an MBR partition table. On EFI systems, Windows can only be installed to GPT disks.'
    - Delete all partitions on the disk, so you can use GPT (GUID Partition Table).
    - But if you want to use MBR (Master Boot Record) partition table, then boot from the Windows installation media in Legacy BIOS Boot Mode.

    Quote from this post: UEFI Boot Mode (installing using the GPT partition style) and Legacy BIOS Boot Mode (installing using the MBR partition style). -> link

    Tip   Tip
    Error message when you boot from the Windows installation media in Legacy BIOS Boot Mode:

    Windows cannot be installed to this disk. The selected disk is of the GPT partition style. (see screenshot below)

    That is because Windows can only be installed to MBR disk in Legacy BIOS Boot Mode, but you plan to install Windows on a GPT disk.

    - Boot from the Windows installation media in UEFI Boot Mode, so you can use GPT (GUID Partition Table).
    - But if you want to use MBR (Master Boot Record) partition table, then delete all partitions on the disk.

    Click image for larger version

    Error message when you boot from the Windows installation media in UEFI Boot Mode:

    Windows cannot be installed to this disk. The selected disk has an MBR partition table. On EFI systems, Windows can only be installed to GPT disks. (see screenshot below)

    That is because Windows can only be installed to GPT disk in UEFI Boot Mode, but you plan to install Windows on an MBR disk.

    - Delete all partitions on the disk, so you can use GPT (GUID Partition Table).
    - But if you want to use MBR (Master Boot Record) partition table, then boot from the Windows installation media in Legacy BIOS Boot Mode.

    Click image for larger version
    Last edited by genet; 13 Nov 2015 at 13:12.
      My System SpecsSystem Spec

Where do I install Windows 8?
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