Hi, my system:
Chameleon 2.3 r2516
So I had everything working out of the box with Yosemite 10.10 for some weeks until I had to reinstall windows and forgot to unplug OSX HDD. Windows installer broke chamleon and I had to fix it in order to boot. After fixing chameleon and booting into OSX I noticed a "no signal" message on my TV when I plug the DVI cable signal came back again but HDMI was lost. I tried plugging and unplugging it while the system was up and running and it doesn't seem to detect the HDMI port or TV(which works perfectly over DVI). I also noticed the HDMI sound devices are still showing in the sound settings though Video doesn't seem to work. Any help would be much appreciated.