I have a Windows Media Centre in the front room that is exclusively used for the TV.
For a year or so it's been running a 6800GT or something and has been solid. This weekend I decided to give it a bit of an upgrade...A bit more RAM (which really helps with the huge music collection on there) and a new graphics card in preparation for a Bluray drive sometime soon.
I knew the 6800GT would probably be pushing it a bit, plus a little upgrade means I could probably use it for a few games in the future. Decided to drop in a 9600GT and hook it all back up.
Everything is working apart from the sound. Check all the cables - still nothing. Plug some headphones into the jack on the motherboard and sound comes out.
The setup is fairly simple. A DVI->HDMI cable, and a 3.5mm jack -> 2*RCA for sound. Nothing fancy....you'd think.
After messing about for an hour I plug in my mobile phone and play some music through it - still nothing. Decide to reboot the PC, but this time at POST + before Windows I can hear music. As soon as Windows kicks in...no sound. I didn't know that sound was working before Windows previously, because the BIOS doesn't give any indication of it.
Things kind of start to make sense a bit more and go hunting in the nVidia control panel. A nice new menu is now there telling me that the HDCP link between the computer and TV is working.
Seems the TV won't even look at the RCA inputs when a HDMI link is present, it *has* to have it over the HDMI cable.
Plug the only 6800 card in and sound is back (it doesn't support HDCP)
Nightmare
So does anyone know how to disable HDCP on a nVidia card? I've looked around and can't find anything.
The alternative is I buy or make a internal cable to feed through to the card....ughh...
Cheers
Remember folks - copy protection. It's there for you![]()


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