Strangely enough, I get the blinking cursor that looks like underscore: _
It keeps blinking without ever stopping. I think it has to do with the way Lion partitions it's own hard drive for Recovery HD, or it just doesn't want to install Windows 7 from USB. I've followed this instruction:
Youtube Link
I get to the part where it says I can choose the usb drive, and when I do, that underscore thing keeps blinking. Nothing at all. Any fixes?