Custom Install Windows 10  

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  1. Brink's Avatar
    Posts : 56,198
    64-bit Windows 10 Pro for Workstations build 21354
    Thread Starter
       #20

    zbook said:
    The tutorial has images for each BIOS and UEFI.

    There were no comments on UEFI hybrid (with CSM).

    When a custom install was attempted in UEFI hybrid it failed displaying a yellow triangle with exclamation mark:

    Windows cannot be installed on this disk.
    The selected disk is of the GPT partition style.

    Please consider comments on the need to modify CSM: UEFI hybrid (with CSM) to UEFI native (without CSM)
    Hey mate,

    Normally, you would be installing what you already have installed for this.

    Could you provide some screenshots showing what you see different in the tutorial?

    I'll then see what I can do to update the tutorial to help for this.
      My Computers


  2. Posts : 38,309
    windows 10 professional version 1607 build 14393.969 64 bit
       #21

    Please see this thread where the displayed UEFI in msinfo32 failed.
    The BIOS mode was UEFI hybrid while msinfo32 displayed only UEFI.

    The computer with the windows 10 iso had booted using CSM instead of UEFI native.
    Once the BIOS setting was changed from UEFI hybrid to UEFI native the yellow triangle disappeared.

    Options to create a bootable Windows 10 iso with GPT partion

    So the custom install can be performed when the BIOS settings are UEFI native or BIOS Legacy.
    It could not be performed with UEFI hybrid as the iso booted using CSM and had a mismatch with the UEFI GPT partitioning.
      My Computer

  3. Brink's Avatar
    Posts : 56,198
    64-bit Windows 10 Pro for Workstations build 21354
    Thread Starter
       #22

    zbook said:
    Please see this thread where the displayed UEFI in msinfo32 failed.
    The BIOS mode was UEFI hybrid while msinfo32 displayed only UEFI.

    The computer with the windows 10 iso had booted using CSM instead of UEFI native.
    Once the BIOS setting was changed from UEFI hybrid to UEFI native the yellow triangle disappeared.

    Options to create a bootable Windows 10 iso with GPT partion

    So the custom install can be performed when the BIOS settings are UEFI native or BIOS Legacy.
    It could not be performed with UEFI hybrid as the iso booted using CSM and had a mismatch with the UEFI GPT partitioning.
    This looks more like for a clean install instead?
      My Computers


  4. Posts : 38,309
    windows 10 professional version 1607 build 14393.969 64 bit
       #23

    There are two identical computers (hardware) and one successfully upgraded to 1909.
    One computer is BIOS/MBR and the other UEFI/GPT.

    The computer with UEFI/GPT failed upgrades from 1703.
    It was left with 1703 until late 2019 when troubleshooting started.

    An in place upgrade repair with the identical iso was successful.
    An in place upgrade repair to 1709 was successful was successful.

    Microsoft identified problems that are preventing upgrades.
    They suggested custom or clean install.
    Having never made a custom install I decided to attempt it.

    It failed due to GPT/MBR mismatch.
    The Windows 10 iso booted using CSM while the BIOS settings were UEFI hybrid (with CSM).

    End users that only have BIOS choices that are either UEFI or BIOS will be able to follow the tutorial successfully.

    Those with the additional option to use UEFI with CSM may not understand why there is a yellow triangle:
    Windows cannot be installed on this disk.
    The selected disk is of the GPT partition style.

    If they ignore the warning they may lose their files.

    So consider an additional comment in the tutorial about the potential pitfall when booting a computer with UEFI/GPT while attempting a custom install.

    End users need to know whether the BIOS setting is UEFI native or UEFI hybrid when booting a Windows 10 iso flash drive.

    If the BIOS setting is UEFI hybrid (with CSM) the iso chooses the Legacy boot and is looking for MBR partitioning.
    It finds GPT partitioning and displays again:
    Windows cannot be installed on this disk.
    The selected disk is of the GPT partition style.

    The custom install has failed with UEFI because it was UEFI hybrid (with CSM) instead of UEFI native (without CSM).

    Indicating UEFI without differentiating (hybrid from native) or with or without CSM was where I needed additional information.

    Later this week I'm planning to perform the custom install having changed the BIOS setting from UEFI hybrid to UEFI native.
      My Computer


  5. Posts : 38,309
    windows 10 professional version 1607 build 14393.969 64 bit
       #24

    A custom install I've never performed so the custom install(s) is/are for practice.
    Ultimately a clean install is planned for the new 7 GB storage.

    The custom install was successfully performed using a bootable Windows 10 iso.

    Most of the images matched the tutorial.

    Images 5 - 8 were the same as the tutorial images.

    This was the contents of an image before image 9:

    Windows Setup
    Select the operating system you want to install:

    Operating system.........................................Architecture.................Date modifi.........
    Windows 10 Home.......................................x64................................10/7/2019
    Windows 10 Home N...................................x64................................10/7/2019
    Windows 10 Home Single Language..........x64...............................10/7/2019
    Windows 10 Education.................................x64...............................10/7/2019
    Windows 10 Education N.............................x64...............................10/7/2019
    Windows 10 Pro............................................x64...............................10/7/2019
    Windows 10 Pro N........................................x64...............................10/7/2019

    Images 13 and 14 were not seen.

    Images 15 - 18 were the same as the tutorial images.

    There was an option to use Windows Hello and fingerprint reading.

    The notebook has a camera but the Windows Hello option was not seen as displayed in 21e.

    The phone option was not seen.

    Later Windows.old was seen.

    Selected folders were then copy and pasted to the new users folder.
    The paste failed displaying: you need an additional 184 GB to copy the files.

    Local disk displayed:
    space free 206 GB
    total size 697 GB

    Properties displayed 390 GB.

    206 + 184 = 390

    Instead of copy and paste, cut and paste was performed successfully.

    Window.old properties displayed 61.9 GB


    There were two potential pitfalls with the first custom install:
    a) making sure the BIOS was UEFI native (without CSM) instead of UEFI hybrid (with CSM) with a GPT partition and a default Windows 10 iso (MBR / FAT 32)
    b) insufficient free space requiring cut and paste instead of copy and paste when recovering important files


    Another practice run of custom install may be done this weekend to see windows.old.000 or .001 before performing a clean install
      My Computer

  6. Brink's Avatar
    Posts : 56,198
    64-bit Windows 10 Pro for Workstations build 21354
    Thread Starter
       #25

    @zbook,

    I've made some updates to the tutorial to help for this.

    Please let me know if you think anything else should be added.

    While some of the options (ex: PIN, OneDrive, Activity History, Cortana, etc...) you get while setting up a local account or Microsoft account may vary per system, please post a screenshot of anything you see different if you like.
      My Computers


  7. Posts : 38,309
    windows 10 professional version 1607 build 14393.969 64 bit
       #26

    A second custom install was performed for practice.
    This time it was performed using windows instead or windows RE.
    During this custom install cortana spoke instructions for the steps.

    The first custom install the user aaaaa was used (five a's).
    For the second custom install the user aaaaaa was used (six a's).

    The first custom install created windows.old
    The second custom install created windows.old.000

    In the images there were properties and disk management displaying insufficient free space for copy and paste.

    Selected folders within the old users name aaaaa were cut and pasted to the new users name aaaaaa.

    This completed the custom install file/folder/users restoration.

    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.
    Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.

    I'll perform a third practice custom install using windows RE to see if speaking cortana again is not used by default.
    This will be followed by a clean install.
      My Computer


  8. Posts : 38,309
    windows 10 professional version 1607 build 14393.969 64 bit
       #27

    The third practice custom install was done using the bootable Windows 10 iso.


    Steps 12 and 13 images were not seen.
    There was a fingerprint scan for WIndows hello.
    This was followed by a pin menu
    The image to make Cortana your personal assistant was not seen.

    There was no voice instruction performing the custom install with the bootable windows 10 iso.
    There was voice instruction when performing the custom install via windows launching setup.

    local disk (c:) now displayed:

    temp
    Users
    Windows
    Windows.old
    Windows.old.000
    Windows.old.001
      My Computer


  9. Posts : 38,309
    windows 10 professional version 1607 build 14393.969 64 bit
       #28

    The custom installs that I've performed were with one user.
    When there are multiple users what appears in windows.old?
    Are there multiple desktop, documents, downloads, music, pictures, videos that can be reorganized for each user?
      My Computer

  10. Brink's Avatar
    Posts : 56,198
    64-bit Windows 10 Pro for Workstations build 21354
    Thread Starter
       #29

    zbook said:
    The custom installs that I've performed were with one user.
    When there are multiple users what appears in windows.old?
    Are there multiple desktop, documents, downloads, music, pictures, videos that can be reorganized for each user?
    Hello mate,

    Correct. It would look just like the inside of the "C:\Users" folder when you have multiple accounts.
      My Computers


 
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