What program are you using to watch the movie on your TV? This black screen is normally caused by Macrovision compliancy checks in the software. Your card is Macrovision compliant, but older DVD software won't recognize it.
<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>