[ubuntu] Can't boot from USB OR CD with EFI-capable Gigabyte 78LMT-S2P

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http://ubuntuforums.org – Hello all. I downloaded the 64-bit Ubuntu 12.10 .iso, and both burned it to a DVD, and copied it onto a 16 GB USB thumbstick using the startup disk creator on my ubuntu 12.10 laptop. I then tried to install it on a new computer I just built, with a Gigabyte 78LMT-S2P motherboard on it. The little googling I've done shows people having all sorts of problems with Linux and this particular motherboard, ( for instance http://www.rodsbooks.com/gb-hybrid-efi/ ) but I don't really understand what EFI is. I have been doing this with all hard drives unplugged from the motherboard, hoping this wou (Hardware)