Qubes 3.2 Install hangs in GRUB on Mac OS X 10.10 - USB Install

[Sam Johnson]

I have installed Qubes 3.2 on a USB flash drive as follows:

sudo dd if=Qubes-R3.2-x86_64.iso of=/dev/rdisk2 bs=1m

When rebooting I hold down Alt and enter the Qubes installation menu. Any selected option starts processing but quickly ends and returns me to the menu; no installation is made.

This page seems to be relevant: https://www.qubes-os.org/doc/uefi-troubleshooting/

But I have no way of actually using vi to edit the file mentioned in the section of 3.2

(I did find an article with a work around to Ctrl-x not working on some systems:  bugzilla.redhat.com/show_bug.cgi?id=1253637 )

Suggestions with any step of this process are welcome and appreciated.

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[dumbcyber]

I run Qubes R3.2 on a Macbook Pro 11,1 but had to run the installer on another machine. I used a Lenovo to boot into Qubes and complete the installation. The resulting disk works fine on the MacBook. Some people have had success creating a EFI folder on the disk and copying the necessary file manually.