How To Make A Windows 7 SP1 x64 UEFI/GPT Bootable ISO/USB (MSFT)

Discussion in 'Windows 7' started by Enthousiast, Jan 11, 2017.

  1. Enthousiast

    Enthousiast MDL Tester

    Oct 30, 2009
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    #1 Enthousiast, Jan 11, 2017
    Last edited by a moderator: Apr 20, 2017
  2. jeggg

    jeggg MDL Junior Member

    Dec 30, 2016
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    Thanks for posting this, your step by step details are easy to follow!
     
  3. sebus

    sebus MDL Guru

    Jul 23, 2008
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    It is completely pointless.

    One, Windows 7 x64 does NOT work with pure UEFI (firmware MUST support CSM mode). In which case one might as well install in legacy MBR, no advantage to have UEFI.

    Two, there is NO need to run install, it is way easier to just boot WinPE & dism /apply to diskpart-ed UEFI disk

    sebus
     
  4. Enthousiast

    Enthousiast MDL Tester

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    What do you mean by: "it does not work with pure uefi", how did i get it installed without CSM enabled on my UEFI systems? To be able to install more then 4 primary partitions etcetc...

    And the many others who used my modified iso's?
     
  5. Wade3

    Wade3 MDL Novice

    Dec 14, 2016
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    USB thumbdrive partition table should be msdos or gpt?

    howtogeek.com/193669/whats-the-difference-between-gpt-and-mbr-when-partitioning-a-drive/
    MBR works with disks up to 2 TB in size, but it can’t handle disks with more than 2 TB of space. MBR also only supports up to four primary partitions — if you want more, you have to make one of your primary partitions an “extended partition” and create logical partitions inside it. This is a silly little hack and shouldn’t be necessary.

    Love to learn how to manually create uefi gpt partition that usable for Windows 7, 8, 8.1 and 10? Care to share the details?
     
  6. Tito

    Tito Super Mod / Adviser
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    What is the model of the PC/mobo/laptop?
     
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  7. Tito

    Tito Super Mod / Adviser
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    #8 Tito, Jan 14, 2017
    Last edited: Jan 14, 2017
    If you're talking about this:
    then it looks like pretty much straight forward to me - you claimed that the ISO must be modified to get UEFI boot working, whereas I corrected that - burning the ISO to DVD & booting from it works, but in case of UEFI booting you need to do some adjustments.

    Again, you're claiming something which is not true - Carlos Detweiller has also elaborated it. That's why I'm asking about the PC on which you experienced the scenario.
     
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  8. Enthousiast

    Enthousiast MDL Tester

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    Still i don't understand what was wrong with what i first replied and later replied on your comment?

    The modifications i mention do work for many people/systems. I didn't get any answer with explanation on scenarios when it doesn't work.

    I only know what i've experienced on systems i have tried it on or had to reinstall/service.



    Again, you're claiming something which is not true - Carlos Detweiller has also elaborated it. That's why I'm asking about the PC on which experienced the scenario.[/QUOTE]

    If my tutorial is incorrect, delete the whole thread for all i care.
     
  9. Wade3

    Wade3 MDL Novice

    Dec 14, 2016
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    2 wim files in Windows ISO, boot.wim and install.wim,

    In the context of UEFI GPT Windows installation,
    Probably apply install.wim to C but what wim file to apply to EFI system partition? Clean installation with no previous or exact system captured EFI system partition, is it still possible to install Windows manually using dism into UEFI GPT based system?
     
  10. Wade3

    Wade3 MDL Novice

    Dec 14, 2016
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    Are you saying Windows 7 x64bit UEFI installation must required users to turn CSM on in their bios? So the latest system without CSM will simply won't install Windows 7 x64bit even if their uefi is 64bit?
     
  11. Tito

    Tito Super Mod / Adviser
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    #12 Tito, Jan 14, 2017
    Last edited: Jan 14, 2017
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  12. Mr.X

    Mr.X MDL Guru

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    Yes, I can claim on that too.
    I've installed OEM and generic computers, not many but enough ones, to claim they need CSM module enabled otherwise Win7 won't boot. Tested so many times.

    Haven't had the chance to put my hands on new ones but I am 99.9% sure it won't install. Remember, M$ is trying to bury deep down Windows 7.
     
  13. sebus

    sebus MDL Guru

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    And what system model would that be? You most likely have something that has CMS enabled always (hence the behaviour you see)
    No point arguing, W7 x64 does NOT work in UEFI only (without CSM support enabled), full stop
     
  14. shhnedo

    shhnedo MDL Member

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    #16 shhnedo, Jan 30, 2017
    Last edited: Jan 30, 2017
    Sadly, sebus is correct. I experimented on my V3-571G on which i've updated the bios to v2.21(it had some changes related to "windows 8 shutdown by user and then power on" behaviour):

    - clean 7 pro n vl x64 iso -> simplix'd (/ie11 /optimize):
    -> booted under Legacy mode -> boots fine
    -> booted under UEFI mode(that's exactly what the option says - UEFI, no CSM anywhere to be seen) -> gets stuck at the windows 7 loading screen

    - clean 7 pro n vl x64 iso -> simplix'd (/ie11 /optimize) -> applied your tutorial, following it to the letter(took the bootmgfw.efi from the Ultimate N i svf'd into pro n vl):
    -> booted under Legacy mode -> boots fine
    -> booted under UEFI mode -> got stuck at the same spot

    So i'd have to agree with sebus on this one.
     
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  15. Carlos Detweiller

    Carlos Detweiller MDL Spinning Tortoise

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    Correct, I wrote the same here. Acer laptops are gen3 UEFI systems and won't boot UEFI Windows 7 (which requires INT10 features from legacy BIOS to boot, aka CSM).
     
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  16. Mr.X

    Mr.X MDL Guru

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    I have experienced this many times so in my opinion you're correct.
    Perhaps someone can show us a video to prove otherwise.
     
  17. GodHand

    GodHand MDL Senior Member

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    I have set up Windows 7 multiple times on business laptops in pure UEFI mode simply deploying the image with my EFI-designed unattend.xml. The only change I make is I partition the drive - from an uninitialized state - so the EFI partition is the first partition, followed by the MSR partition, a recovery partition and finally the actual OS partition. I mainly do this for end-point self-encrypting drive activation, key management and PBA (pre-boot authorization) setup since it will chainload the OS faster with the EFI partition first, particularly for people who are not using SSDs.

    I'm actually deploying 3 images right now to 2 ThinkPads and a Dell Latitude.