No network options

I recently installed Snow Leopard and used the combo update to 10.6.8. Multibeast seemed to work except that when I use the network assistant I can't select any network options other than dial up because the others are faded out. Why can't I connect to the internet?

Build:
Core i7 4770 3.4GHz
12GB ram
GTX 960 4GB
Hewlett-Packard 2AF7 motherboard
Broadcom BCM943228HMB 802.11abgn 2x2 Wi-Fi Adapter