Originally Posted by hagai_sela
I played with the settings. When setting the XBOX to 1080I everything works. When I set it to 1080p the screen goes blank.
I also tried to connect my laptop via HDMI and play an 1080p 3d movie. It played it without any problems.
Does any of this mean that the cable is counterfeit?
It means basically your cable can't handle anything but 1080i/720p. So, if you purchased it as a high speed cable, then likely yes. If you purchased it as a standard speed cable, then it is what was advertised (and nothing more).
eBay is a tough place to purchase HDMI cables from the problems we've read about here.