I am having the same issues, your better of asking for help on other forums as these are no help at all.

Heres more information.

I have an Alienware m18x. Dual 7990 with i7 HD3000. I disabled onboard video via BIOS settings leaving only PEG enabled. I have installed the ATI driver from the website...

Read your post but couldn't get video drivers installed! I downloaded the modded BIOS and flashed it. Went into BIOS and set graphics to PEG and disabled onboard graphics. Reboot and installed the...

I haven't been able to post for days, these forums have serious issues. Can you shoot me your email so we can chat off forum? I managed to get BT5R1 installed and YES Nvidiva graphics are a bitch...

Thanks for the writeup, information on getting the rMBP setup is scarce. Have you even attempted to get the thunderbolt to ethernet adapter working? How does the graphics driver work? Does CUDA...