Hello guys, I have same black screen problem. I install iAtkos ML 10.8.2, If i use a external monitor it works with no problem bu identifed as HD 5750M. On the other hand if i try to use laptop display i got black screen than i type PciRoot=1 there is no problem for working screen however this time vga has identified as 3mb standart vga with no acc. So what's wrong or where i am wrong? Also , i tried to edid display ID, Framebuffer was Hoolock and graphicsEnabler=Yes. 17.3'' Display on laptop with 1600x900 res.