Terratec Cinergy C PCI HD ... not listed in the installed devices menu (1 Viewer)

[xpender]

Hello,
I need some help here, please.
I have a Cinergy C PCI HD installed in my PC.
Windows x64 shows that the driver are installed correctly.
But, in the Terratec Home Cinema the tunner is not listed as device.

My pc:
gigabyte P67-UD4-B3 F8 bios
8GB of DDR3
i5-2500k

Strange things, I have tryied the tunner onto another old PC. And voila, it works!

Any ideeas, about what could be the problem?

 

[xpender]

I guess I`m not in the right forum ...
But. thanks for the views!