Rufus will now format the drive and copy the files from the ISO. This may take several minutes. Once the status bar at the bottom says "READY," your bootable DLC Boot USB drive is created. How to Boot from the DLC Boot USB Drive
The efiboot.img is a FAT32 filesystem containing EFI/BOOT/BOOTX64.EFI . You create it like this: dlc boot uefi iso
Remember: Always test your ISO in a UEFI VM first, validate Secure Boot compatibility, and keep your Dell Driver CABs updated. With this guide, you are now equipped to master the trinity of DLC, UEFI, and ISO for enterprise system deployment. Rufus will now format the drive and copy