How to make a Win PE iso uefi bootable


  1. Posts : 75
    windows 10
       #1

    How to make a Win PE iso uefi bootable


    I have an iso file based on win PE that i wish to make uefi / mbr / both bootable on a win 11 64 bit machine. How can i achieve this? Is there a step by step guide that i could use. I want to have a bootable iso file at the end of the task. I do understand how to make a bootable usb using rufus etc but that is not my aim (unless someone can advise how to rip the bootable usb into a bootable iso file for storage or use with say ventoy

    Thank you
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  2. Posts : 4,556
    several
       #2

    To create a bootable iso file that works in both modes.

    I posted elsewhere the commands, but I suspect that is a little difficult.

    There is a simple workaround using free version of Anyburn

    open a known working iso file using anyburn ( e.g. a windows installation iso file )

    Click Edit Image File

    How to make a Win PE iso uefi bootable-anyburn1.jpg

    click the little yellow icon and browse to the known good iso ( e.g. windows installation media iso file )


    How to make a Win PE iso uefi bootable-anyburn2.jpg


    How to make a Win PE iso uefi bootable-anyburn3.jpg


    highlight the contents and click Remove


    How to make a Win PE iso uefi bootable-anyburn4.jpg

    Then click ADD and browse to the files you want to add


    How to make a Win PE iso uefi bootable-anyburn5.jpg

    add the new contents

    How to make a Win PE iso uefi bootable-anyburn6.jpg

    you can see the new contents are in there, click Next

    How to make a Win PE iso uefi bootable-anyburn7.jpg

    save the new iso

    How to make a Win PE iso uefi bootable-anyburn8.jpg

    How to create ISO from Windows 11 22H2.22621.963 bootable USB Stick? | Windows 11 Forum
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  3. Posts : 75
    windows 10
    Thread Starter
       #3

    Thanks
      My Computer


  4. Posts : 6,293
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #4

    To boot as UEFI the file system must be Fat32 and to boot as Legacy the MBR partition must be Active

    To make a Win 10 USB boot able drive:

    Open a CMD window as administrator and type:

    diskpart
    list disk (it will list all drives. Identify the USB drive number)
    select disk n (replace n by the USB drive number obtained with list disk)
    clean
    convert mbr
    create part primary
    select part 1
    format fs=fat32 quick
    assign
    active
    exit (to exit diskpart)

    On Win 10, mount the iso file and copy all files and folders to the USB drive.
    Last edited by Megahertz; 17 May 2023 at 17:18.
      My Computers


  5. Posts : 4,556
    several
       #5

    @Megahertz

    from the first post:

    I want to have a bootable iso file
      My Computer


  6. Posts : 6,293
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #6

    SIW2 said:
    @Megahertz

    from the first post:
    Sorry Simon, what I did wrong?
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  7. Posts : 4,556
    several
       #7

    Perhaps you misread the first post.
      My Computer


  8. Posts : 6,293
    Windows 11 Pro - Windows 7 HP - Lubuntu
       #8

    Ok, I got it now.

    On my data drive I've made a 2G Fat32 partition and expanded a Win 10 PE based iso. I can boot from it by launching the boot menu (F12) and choosing the Win 10 PE based.
      My Computers


 

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