Installing Fedora on a new hard drive

Hello everyone,

I'm trying to install Fedora 13 (Desktop Edition) on a new hard drive? (the previous one working on Vista is dead now). I have downloaded Fedora and put it on a USB external drive for installing, but my computer doesn't seem to detect it (all I got is a blinking "_" on black screen).

My computer is a laptop Packard Bell "Easynote" SJ81 (with AMD Turion 64), and I have a Samsung Spinpoint SATA hard disk on it.

Thanks a lot!