Windows 10: windows 10 cannot install to this GPT PARTITION DISK

Discus and support windows 10 cannot install to this GPT PARTITION DISK in Windows 10 Installation and Upgrade to solve the problem; WINDOWS 10 cannot install to GPT partition style disk.... Discussion in 'Windows 10 Installation and Upgrade' started by MikeRozga, Mar 4, 2020.

  1. MikeRozga Win User

    windows 10 cannot install to this GPT PARTITION DISK


    WINDOWS 10 cannot install to GPT partition style disk.

    :)
     
    MikeRozga, Mar 4, 2020
    #1

  2. Installing and booting windows 10 on a GPT partition

    I don't want to dual boot or anything fancy. I have a large disk ( 4 TB). I do not want to split it up into smaller MBR partitions. I want the whole disk to be a GPT partition. when I try to install windows 10/64 bit the install reaches the point where it
    is showing you the two partitions and it says windows cannot install because the partition is GPT. Perhaps I fooled myself in reading various links on the net that implied that you could indeed do what I wanted. If windows 10 will in fact install and boot
    up on a large single GPT partition please give some steps to accomplish this.

    Thanks

    Terry
     
    TerryWegener, Mar 4, 2020
    #2
  3. Installing Windows Vista/7 on a GUID Partition Table

    Background

    GUID Partition Table (GPT) is a boot sector technology poised to replace the venerable Master Boot Record (MBR) principally because MBR has a maximum capacity of 2 TB for a single partition (some single disks have reached 3 TB). Installing Windows on a GPT is a bit tricky because Windows wants to default back to MBR. In order to force Windows on to a GPT, we have to pre-format the drive prior to Windows installation. You can do that during Windows setup using the console.

    Requirements

    • Windows Vista or 7 (must be 64-bit no matter which OS is used)
    • A motherboard with EFI BIOS
    • A means to EFI boot the Windows setup (I had to use a USB DVD drive on MSI Z77A-G65, the internal SATA Bluray drives didn't have an EFI option)
    Instructions

    • Boot into Windows setup using EFI. On the MSI Z77A-G65, it showed up as UEFI:USB-ATAPI DVD ... This will change according to your motherboard and how you are attempting to enter setup. This step is critical. Without booting into setup via EFI, only MBR is available to the setup. There's no easy way to tell from within setup if it is running via EFI or not.
    • Once you have booted into setup, continue through the process as you would normally until you reach the dialog which shows you the available drives. Load a driver, if necessary, then press SHIFT+F10 to open the command prompt.
    • In the command prompt, enter the following lines, pressing enter after each one. Note that the <id> field below is the disk ID that you want to format as GPT from the "list disk" command. If there's only one drive, <id> will likely be 1. Note: All data on the drive will be lost during this process. Make sure to select the correct drive.
      • diskpart
      • list disk
      • select disk <id>
      • online disk
      • attributes disk clear readonly
      • clean
      • convert gpt
      • create partition efi size=102
      • create partition msr size=32
      • create partition primary
      • format fs=ntfs label="Operating System"
      • assign letter=C
      • exit
      "online disk" and "attributes disk clear readonly" are likely to fail. Don't worry, they are only precautionary. Change the drive letter and label to whatever you want. Also, the above command (specifically "create partition primary") will consume all remaining space on the drive. If you want multiple partitions with fixed sizes, substitute what you want in place of "create partition primary."
    • You may now close the command prompt and click on "Refresh" back in the dialog to choose where to install Windows. You should now see at least 2 partitions (I think Microsoft Reserved is hidden) and it will only let you install on a non EFI/MSR partition. Click on the primary partition and proceed with the installation as normal.
    • Note that in the EFI BIOS after installing Windows via EFI, you can no longer directly boot the volume Windows is installed on. Instead, you must boot via "Windows Boot Manager" (on MSI Z77A-G65, it was "UEFI: Windows Boot Manager"). Keep that in mind if you wish to tweak the boot order.
    Conclusion

    That should do it. You should be in Windows with >2 TB of hard drive capacity available if you had more than 2 TB on the Windows partition. Congratulations being on the bleeding edge of technology! *Rockout :rockout:
     
    FordGT90Concept, Mar 4, 2020
    #3
  4. windows 10 cannot install to this GPT PARTITION DISK

    clone MBR HD to bootable GPT partition?

    Hi,

    1. You cannot convert mbr to gpt without data loss. otherwise, you can follow directions here:

    FROM WINDOWS RECOVERY CONSOLE:

    To change a master boot record disk into a GUID partition table disk using a command line


    • Back up or move the data on the basic master boot record (MBR) disk you want to convert into a GUID partition table (GPT) disk.

    • Open an elevated command prompt (right-click Command Prompt, and then click Run as Administrator) and type diskpart. If the disk does not contain any partitions or volumes, skip to step 6.

    • At the DISKPART prompt, type list disk. Make note of the disk number you want to convert.

    • At the DISKPART prompt, type select disk <disknumber>.

    • At the DISKPART prompt, type clean.

    2. I'd suggest converting your vista drive to a virtual machine, load that up on your windows 10 system and use a program like virtualbox to run it.
     
    CoatH4nger, Mar 4, 2020
    #4
Thema:

windows 10 cannot install to this GPT PARTITION DISK

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