Cannot clean install Win 10 UEFI mode (Toshiba Satellite C75A)

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  1.    26 Jan 2018 #21

    Hi Guru, thanks. It's not 100% clear
    Step 2 - I get error - "BFSVC error - could not open the BCD template store. Status = [c000000f]
    Step 3 - do I create the image file from an existing working Windows installation?
      My ComputerSystem Spec

  2.    26 Jan 2018 #22

    charles999 said: View Post
    Step 3 - do I create the image file from an existing working Windows installation?
    No from an installation ISO you download from Microsoft.
    charles999 said: View Post
    Step 2 - I get error - "Failure when attempting to copy boot files"
    I got the steps 2 and 3 backwards but they were correct in the link Capture and Apply Windows, System, and Recovery Partitions | Microsoft Docs

    1. Partition drive with previously mentioned script - this assigns letter W to new Windows, S to System and R to recovery.
    2. Apply (using DSIM) windows image (install.wim) from ISO to W volume.
    3. Then use bcdoot.exe (from W volume) to apply system files to S volume (defined in step 1).
    W:\Windows\System32\bcdboot W:\Windows /s S:
    It is explained in more detail in link above. Sorry for the confusion.
      My ComputerSystem Spec

  3.    26 Jan 2018 #23

    thanks. I believe the latest Win 10 ISO uses a "install.esd" not a *.WIM file? I came accross this earlier in my endeavours
      My ComputerSystem Spec

  4.    26 Jan 2018 #24

    charles999 said: View Post
    thanks. I believe the latest Win 10 ISO uses a "install.esd" not a *.WIM file? I came accross this earlier in my endeavours
    Depends where you get it I think. In any case if you have esd use that. Something like this if your installer USB has been assigned the letter D
    dism /Apply-Image /ImageFile:D:\Sources\install.esd /Index:1 /ApplyDir:W:\
    One other thing, the /Index:n specifies what edition of Windows to install. You can check which index is which edition like this - make sure you apply Home or Pro correctly.
    PS C:\Temp> dism /get-wiminfo /wimfile:e:\sources\install.wim
    Deployment Image Servicing and Management tool
    Version: 10.0.16299.15
    Details for image : e:\sources\install.wim
    Index : 1
    Name : Windows 10 Home
    Description : Windows 10 Home /EA
    Size : 16,071,950,070 bytes
    Index : 2
    Name : Windows 10 Pro for Workstations
    Description : Windows 10 Pro for Workstations
    Size : 16,156,718,191 bytes
    The operation completed successfully.
    PS C:\Temp>
    I'm pretty sure this works the same for install.esd but I only have .wim
      My ComputerSystem Spec

  5. Posts : 326
    Windows 7 Home Premium x64
       27 Jan 2018 #25

    have you also installed/updated the BIOS before clean installing Win10 in UEFI mode for the Toshiba C75a laptop, charles? latest BIOS version for C75A seems to be 1.60.

    on the North American Toshiba support site, there are two specific models for C75A, which are C75-A7120 and C75-A7390.

    I haven't done a clean install of Win10 on my dad's Toshiba Satellite C55Dt-A5306 laptop (mid-2013 model), which originally came with Win8.1 Core/Home edition and upgraded it to Win10 Home a few years ago; the BIOS was upgraded (to v1.80 for the Toshiba C55Dt-A laptop model only) long before I upgraded from Win8.1 to Win10. If I wanted to upgrade to the Pro edition of Win10, I'd pay extra for that license.
      My ComputerSystem Spec

  6.    28 Jan 2018 #26

    Thanks the latest applicable BIOS for my Tosh Sat C75 version is 1.3 tried 1.6 but it wouldn't load, just got message that it was not for my machine.
    I'll stick with CSM/legacy mode now. I'm pretty sure it's all down to the age of the laptop and maybe a not too great BIOS
      My ComputerSystem Spec

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