|Yeah, you're plugging the sticks directly into the ports and not using a cable, right?|
It acts like it's a driver issue but I wouldn't think that's a problem with your setup. But you might check their manufacturer's support site and see what's there.
Might also uninstall and reinstall the ports from device manager.
You say it recognizes your camera OK. Did you install any separate software for that? If so, I'm wondering if maybe that software fiddled with the port settings in any way. Or do you recall if you had the problem before installing any camera software?