Did you try this from the chromecast support site?
"If you saw your Chromecast's loading screen ("Chromecast" with a spinning Chrome logo) but the home screen is black, you could be experiencing an HDCP (High-bandwidth Digital Content Protection) with your TV. This issue is easily fixed by rebooting your TV. Turn your TV off, unplug it, turn everything back on and try again."
It's not some generic Samsung issue. I have it working great on a F5500 and my friend has it on another Samsung. You didn't say what TV you had, but you must realize all TV's by one manufacturer are not remotely the same....
When you try the above, make sure to leave it unplugged for several minutes - don't just unplug and plug it right back in. Also, try doing a reset on the chromecast. And on your Samsung, did you ever previously configure those HDMI inputs to work with specific types of devices like a game console or PC or DVR, etc? Is your TV firmware up to date?
12-23-2013 02:02 AM