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Suppose you have an iso image that contains a bios bootable partition. You can write this image to a usb disk, which is now bootable on computers with bios. For example

dd if=pmagic_2013_02_28.iso of/dev/sdc1

If you have an UEFI system however, the usb disk will not boot. How can you make it EFI bootable?

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2 Answers

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This is not the answer for making bootable UEFI Device. But, you may want to try disabling systems UEFI boot option, like I did when I face the same problem.

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Some magic of El Torito is required when creating the iso image. See this.

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