Hi all. This is my first post after a month studying the forum and trying to solve my problem.
I have an ATI Shapphire 7950 vapor-x working in Mountain Lion (now 10.8.4, but it happens with 10.8.3 too) and my screen blinks randomly. Is more frequent when i use youtube or ableton.
I boot with clover in a usb and in my system profile the information is correct, in graphics and in pci cards.
for change the dsdt, and nothing works.
I tried to use hwmonitor but gpu sensor freezes and reboot the system.
I don't kwon what else to try to make it work ok.
I don't know if this is important but when I boot, the screen is white for a second, then turns into black, and into white again. I use fbrotate so i don't have to do the sleep trick.
Sorry for my english
This is my config.plist and my dsdt.