1.    15 Jun 2017 #1
    Join Date : Aug 2015
    Posts : 43
    win 10 - 64

    unallocated space during install


    When I i nstall win 10 from usb. My 4Tb barracuda is choppes in 2.
    See the image attached.Click image for larger version. 

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    Drive 0 unallocated space 2047 gb
    Drive 0 unallocated space 1678 gb

    Why I don't see drive 0 2047 and 1678 into 1 unallocated space and install it.
      My ComputerSystem Spec
  2.    15 Jun 2017 #2
    Join Date : Aug 2016
    S/E England
    Posts : 4,516
    10 Home x64 (1709) (10 Pro on 2nd pc)

    ntfs practical size limits...

    Quote Originally Posted by Microsoft TechNet
    For now, 2 terabytes should be considered the practical limit for both physical and logical volumes using NTFS.
    https://technet.microsoft.com/en-us/.../cc938432.aspx
      My ComputersSystem Spec
  3.    15 Jun 2017 #3
    Join Date : Jul 2015
    Posts : 9,403
    Windows 10 Pro

    Quote Originally Posted by Bree View Post
    That is only true when the drive is partitioned using MBR partitioning which computers with legacy BIOS or using CSM emulation in UEFI use. If @CapFlam128 has a computer with UEFI, it should be booted from the USB flash drive in UEFI mode, open a command prompt by pressing shift + F10 when the first screen appears, and run the following in the command prompt:

    diskpart
    select disk 0
    clean <- NOTE THIS ERASES THE ENTIRE DRIVE!
    convert gpt
    exit
    exit

    Then the drive will appear as a single unallocated space on the custom install drive and partitions list.
      My ComputerSystem Spec
  4.    16 Jun 2017 #4
    Join Date : Dec 2015
    Posts : 5,961
    Windows10

    Quote Originally Posted by NavyLCDR View Post
    That is only true when the drive is partitioned using MBR partitioning which computers with legacy BIOS or using CSM emulation in UEFI use. If @CapFlam128 has a computer with UEFI, it should be booted from the USB flash drive in UEFI mode, open a command prompt by pressing shift + F10 when the first screen appears, and run the following in the command prompt:

    diskpart
    select disk 0
    clean <- NOTE THIS ERASES THE ENTIRE DRIVE!
    convert gpt
    exit
    exit

    Then the drive will appear as a single unallocated space on the custom install drive and partitions list.
    As addional clarification, occasionally, it is sometimes necessary to upgrade bios to see all of space even on a GPT drive - some older pcs limited maximum size to e.g. 3GB. Most likely not an issue but this can happen now and then.
      My ComputerSystem Spec

 


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