What file prints Windows boot manager screen?


  1. Bohosul01
    Posts : 8
    Windows 10
       New #1

    What file prints Windows boot manager screen?


    What file prints this image?

    What file prints Windows boot manager screen?-windows-boot-manager.png

    bootx64.efi or bootmgfw.efi?
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  3. cereberus
    Posts : 15,480
    Windows10
       New #2

    This will be part of the firmware - I doubt there is an actual file - at this stage you have not started windows.

    Why do you ask?
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  4. FreeBooter
    Posts : 5,328
    Windows 11 Pro 64-bit
       New #3

    The Windows Boot Manager BOOTMGR file.
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  6. Berton
    Posts : 14,006
    Win10 Pro and Home, Win11 Pro and Home, Win7, Linux Mint
       New #4

    Used to be in the days of DOS and early Windows, maybe into WinME or Win2000 it would have been using the PrntScrn key with a Parallel Port printer. The advent of later versions of Windows and USB printers changed things and basically the PrntScrn key sends the image to the Clipboard after the OS has loaded but not during the startup phase.
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  7. MaloK
    Posts : 2,800
    Windows 7 Pro
       New #5

    The content displayed by Bootmgr is loaded from BCD store files located in Boot (legacy) and EFI (UEFI) folders.

    They are there to configure how the Bios / Uefi Firmware will give control to the OS. from the Bootmgr to chain Winload.exe / Winload.efi or Ntldr with boot.ini

    What file prints Windows boot manager screen?-screenshot00206.jpg
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  8. Try3
    Posts : 16,932
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       New #6

    Malo,

    What a very interesting explanation.

    Thanks,
    Denis
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  9. James
    Posts : 781
    Windows 10
       New #7

    MaloK said:

    What file prints Windows boot manager screen?-screenshot00206.jpg
    Wow!

    Sometimes you can plug in a USB and press F12 for BIOS, wonder if this'd work the same.

    Also a video capture card can sometimes take screenshots like that.
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