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EFI Boot optin for USB


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As you all know Windows 7 needs a bit help of booting EFI via USB:

  1. In the root of your USB drive, there is the \efi\microsoft\boot directory. Copy this directory one level up so the files also reside under \efi\boot.
  2. Extract bootmgfw.efi file from install.wim (Located in Windows\Boot\EFI\)
  3. Copy the bootmgfw.efi file to \efi\boot folder, and rename it to bootx64.efi.

Maybe this process could be somehow automated via WinToolkit to avoid doing it all manually, when creating USB Boot media for Windows 7?

Windows 8 doesnt need that, it boots fine directly from usb regardless of Legacy BIOS or EFI enviroment...

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  • 4 weeks later...

I can assure to you, it works that way, I do installs only from USB... ;)


Also as sidenote, USB "stick" must be formated to FAT32 to get EFI to work.

Edited by Etz
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