Error 15: File not found, USB boot Fedora 17

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http://forums.fedoraforum.org – I'm trying to boot Fedora 17 from a USB, I tried both the DVD version and the one on the main page. I've used: Linux Live USB Creator, Live USB Creator (Fedora-one), and Unetbooting. I also tried after clicking "a" and Code: root=live:CDLABEL=LIVE if=/home/per/Fedora-17-x86_64-DVD.iso of=/dev/sdb Everything failed. Fedora just don't want to install no matter what I'm trying. Please help me out, I don't want to go over to Ubuntu, I'm really frustrated about this issue, it's 7th time i format the USB in hope to get this to work at some point. Everything is going against me atm ;) (HowTos)