my hardware:
CPU: i5 2500
Mod: GA-PH67-UD3-B3
mem: 8G DDR3
video: Zotac GTS 450(Dual DVI)
everything looks fine, I used idsdt make dsdt.aml, and tonymac Nvidia Drive GE/CI !
But I Dual monitor only one worked, another was black screen(without video signal).
How to driver sec monitor??