I am currently having kinda the same problem, (check signature below), so if you look at my thread for the HP Pavilion dv6609wm, it might give you a place to start.

http://www.infinitemac.com/f47/pleas...avilion-t3889/

Hope this give's you some tips, or some idea of where to go next, or if not I apologize.

---

HP Pavilion dv6609wm | AMD 64 x2 TL-55 1.8Ghz | nForce/MCP67 Chipset | Nvidia 7150m/630m 128mb Video | 160Gb HDD SATA | DVD+-DLRW Slimline PATA | Broadcom 4311 802.11 g/b Wifi | NForce Ethernet | OS X 10.5.7