Problems dvd codec (1 Viewer)

[Pepreal]

TV-Server Version:
MediaPortal Version:
MediaPortal Skin:
Windows Version:
CPU Type:
HDD:
Memory:
Motherboard:
Video Card:
Video Card Driver:
Sound Card:
Sound Card AC3:
Sound Card Driver:
1. TV Card:
1. TV Card Type:
1. TV Card Driver:
2. TV Card:
2. TV Card Type:
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec:
MPEG2 Audio Codec:
h.264 Video Codec:
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection:

When i play a dvd with the ffdshow the dvd works perfect when i try a other codec for playing dvd's media portal says that there isn't any dvd insert it

I want to try the ATI Catalyst™ 8.8 Avivo drievrs for hardware acceleration

whats the problem