UEFI Can't locate /efi/boot/BootX64.efi

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  1. Posts : 41,481
    windows 10 professional version 1607 build 14393.969 64 bit
       #11

    See if you can allow the Microsoft Media Creation Tool (MCT) download to format the drive to create the bootable Window 10 MCT (iso).

    Download Windows 10 ISO File

    https://www.microsoft.com/en-au/soft...load/windows10


    Consider using Ventoy:
    Ventoy
      My Computer


  2. Posts : 6
    All
       #12

    @zbook, the Microsoft MCT formats the usb drive FAT32... Which is working but not what I need
      My Computer


  3. Posts : 41,481
    windows 10 professional version 1607 build 14393.969 64 bit
       #13
      My Computer


  4. Posts : 6
    All
       #14

    @zbook, thanks but not the way I want id :)

    I'm beginning to get a clue why it ain't working... If there are too many files on the NTFS partition apparently newer devices gives this error and by editing (renaming the EFI\boot folder) it finds it again as the directory will be listed at the end... So I'm thinking this is an UEFI restriction or BUG ...
      My Computer


  5. Posts : 6,361
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #15

    Most computers only boot as UEFI with a Fat32 partition.
    You want to use a install.wim bigger than 4 G?

    Then you have two options:
    1)
    Split \Sources\install.wim into smaller Install.swm
    Open a CMD window on the install.wim folder (Shift+rightclick inside the folder + Open command window here)
    run the command
    Dism /Split-Image /ImageFile:install.wim /SWMFile:install.swm /FileSize:3600
    It will create two install.swm.
    Copy all files and folders to the Fat32 partition on the USB drive EXCEPT \Sources\Install.wim

    2)
    Create two partitions on the USB drive.
    - One Fat32 - 1G set as active
    - One NTFS = 7G

    Copy all files and folders to the Fat32 partition EXCEPT the /Sources folder
    Copy the /Sources folder to the NTFS partition
    Create on the Fat32 partition a /Sources folder. Move the Boot.wim from the NTFS partition /Sources folder to the Fat32 partition /Sources folder
      My Computers


  6. Posts : 6
    All
       #16

    @Megahertz Thanks for the nice compact summary! And that is a solution, but not my prefered one, as I don't want to split the image files.
    I got a solution, -> renaming efi\boot after usb-stick imaging but wanted to eliminate this step. I've tested it with as less files as I could and it boots! But as soon as I copy to much files to the NTFS partition withou renaming the efi\boot dir as latest I got the error of the above screenshot.
      My Computer


 

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