I ran into the same problem when I setup my first FTA deal with a PCi card too. The key is to make sure that your software is setup for the LNB correctly, and is also waiting for a signal from an active transponder.
I figured since finding a dishnetwork bird was so easy that this would be no problem, just point and aim. I quickly found that it was a bit more complicated than that. The Dishnetwork satellites have the luxury of operating all transponders on the same symbol rate, where as normal Ku band signals vary greatly from transponder to transponder and satellite to satellite.
I thought my LNB was crap because it was so old, but it turned out that it still worked just fine, I just needed to make sure that what I was telling it to use was actually up there. This is where lyngsat comes in handy.
Just match your settings to a recently updated transponder on lyngsat, and start panning the sky for the satellite you're after. It's going to take a while, but once you find that first one, you'll have the hang of it and can lock onto all the others.
The key is the settings in the software. If they're off, the whole thing isn't going to work. Kind of a pain, but locking onto a satellite and getting crystal clear digital picture is worth it in most cases. (vs. that downconverted pixelated crap dishnetwork offers).
Good luck to you, just remember when you think you're going to give up, take a break, then try again, and you'll get it.
