- format the USB Flash device with FAT32
- create the directories \EFI\BOOT on that formatted device
- download shell.efi from:
https://github.com/tianocore/edk2/blob/edk2-stable201903/ShellBinPkg/UefiShell/X64/Shell.efi
NOTE: Please also find
https://github.com/KilianKegel/Visual-UEFI-SHELL to create an up-to-date UEFI Shell - rename shell.efi to BOOTX64.efi
- copy BOOTX64.efi to the boot device into the folder \EFI\BOOT - that's it
- make sure, that on the platform SECURE BOOT is disabled in BIOS Setup!
- adjust boot order to start UEFI Shell boot device
Nice to have:
find and more MSDOS clone for UEFI Shell:
- create the directories \EFI\TOOLS on that formatted device
- download find.efi and more.efi from https://github.com/KilianKegel/Visual-DOS-Tools-for-UEFI-Shell/tree/master/x64/UEFIx86-64%20(Torito%20C%20Library)
- copy find.efi and more.efi to the boot device into the folder \EFI\TOOLS - that's it
