Windows 10: Partition question Solved

  1. Clint's Avatar
    Posts : 429
    Windows 10 Pro 64 bit
       28 Nov 2017 #1

    Partition question

    I just did a clean install FCU 1709. I have a 250GB SSD. I used AOMEI PE boot disk, removed all partitions, clean and had a all non-allocated drive,
    When I look at Disk Management, I see Recovery partition is 499MB 100 % free space. EFI partition 99MB 100% free space.
    I have AOMEI Partition Assistant Pro. When I look at that I see Recovery partition 499MB with 353.94MB used. EFI partition 99MB with 28.91MB used. There is another 16MB partition that is empty. This does not show in Disk management.
    Just curious as what the difference is.
    Click image for larger version. 

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    Last edited by Clint; 30 Nov 2017 at 08:19.
      My ComputersSystem Spec

  2. Caledon Ken's Avatar
    Posts : 10,689
    Windows 10 Pro x64 Build 1803
       28 Nov 2017 #2

    Hi Clint. This is a quick read.

      My ComputerSystem Spec

  3. Clint's Avatar
    Posts : 429
    Windows 10 Pro 64 bit
    Thread Starter
       28 Nov 2017 #3

    Clint. This is a quick read.

    Thanks Ken.
    I wonder why the install didn't put the Recovery at the end as in the article.
    Why is my post too short? Need 3 more characters.
      My ComputersSystem Spec

  4. ThrashZone's Avatar
    Posts : 3,882
    3-Win-7Prox64 2-Win10Prox64
       28 Nov 2017 #4

    On a clean install I believe the recovery partition is always in front or just after the efi one.
    An inplace using the update assistant would be at the end or via through the update system when a large update is installed.

    Here's mine done today off a dvd install and mbr disk
    Click image for larger version. 

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      My ComputersSystem Spec

  5.    28 Nov 2017 #5

    Your EFI System and Recovery partitions show as empty in disk management because their partition type IDs are set such that Disk Management pretty much ignores the file system on those partitions. Third party partition programs will not ignore the file system on those partitions like Disk Management does.

    Disk Management also completely ignores MSR partitions. Third party programs, and diskpart, do not ignore that partition. You have a completely normal disk layout and Disk Management results - you are just seeing the limitations of disk management that Microsoft has imposed for whatever reason they thought would be wise.
      My ComputerSystem Spec

  6.    28 Nov 2017 #6

    Caledon Ken said: View Post
    Hi Clint. This is a quick read.

    Nice link...and a very good read.
      My ComputerSystem Spec

  7. Caledon Ken's Avatar
    Posts : 10,689
    Windows 10 Pro x64 Build 1803
       28 Nov 2017 #7


    NavyLCDR's post also gets right to point on Disk Management limitations. Now if we could just condense all this knowledge in a pill.
      My ComputerSystem Spec

  8. Clint's Avatar
    Posts : 429
    Windows 10 Pro 64 bit
    Thread Starter
       28 Nov 2017 #8

    Thanks to all that replied. Good info.
      My ComputersSystem Spec


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