Booting live Fedora on ThinkPad x120e (UEFI hardware)

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Hello!
I'm back on Windows for the first time in ages, and it turns out that all my time on OS X and Ubuntu has gotten me pretty used to UNIX-like systems.
I used utilities from the Fedora site to put it (64-bit) on a flash drive, but it boots to a grub prompt, and nothing can be done from there.
I've found out that it's due to the laptop's UEFI hardware. I've found lots of mixed signals about what I can do now and what will and won't work, and all I can find for potential solutions are steps I'm unsure of and calls for hardware I don't have (i.e. an external optical drive). I can't seem to find much record of other people having issues with it, though. Can anybody offer suggestions? Thanks!

[yancek]

What utilities did you use? Creating a bootable flash drive with unetbootin has always worked well for me. I'm not a Fedora user so I'm not familiar with their utilities, perhaps someone else who uses Fedora will be able to help if you give more details on what you used and how as well as errors you got, if any. Getting a grub prompt usually means Grub wasn't installed correctly.

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I used LiveUSB Creator, which I got from the Fedora website. The process is simple enough; you find the CD image and the drive and it supposedly does everything else. I'll give unetbootin a shot!

Edit: No, still brought me to the grub prompt.

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I can't find the button to edit my post, so I'll just post this for anyone who finds this on Google. U3 was the catalyst in my Linux misery; taking it off fixed mostly everything. Fedora would "boot," but crash on both Legacy Boot and UEFI. Linux Mint worked perfectly live, but the installer crashed on GRUB, so I installed it with SuperGrubDisk and now everything works.
Also, using unetbootin was beneficial. "Universal USB Installer," even when set to the Mint 64-bit DVD iso that I was using, would install it in a way that the disc-integrity check would report five bad files consistently (I believe they just weren't there.) I didn't notice any problems in using it and the installer still crashed after using unetbootin, but it didn't report any errors that way.