MEO SAT (HD) (hispasat 30w) problem (1 Viewer)

[miguel300477]

TV-Server Version: 1.0
MediaPortal Version: 1.0
MediaPortal Skin: beazle ( the most recent)
Windows Version: Vista Ultimate sp1
CPU Type: celeron dual core 1.6
HDD: 76gb
Memory: 2gb
Motherboard: ASRock
Video Card: ATI hd 3450
Video Card Driver:
Sound Card:
Sound Card AC3:
Sound Card Driver:
1. TV Card: Hauppague HVR - 4000
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: MPV
MPEG2 Audio Codec:
h.264 Video Codec: Core avc
Satelite/CableTV Provider: MEO Sat
HTPC Case:
Cooling:
Power Supply:
Remote: Hauppague
TV: Samsung 32
TV - HTPC Connection: HDMI

Hi guys, i have a problem with mediaportal on whatching MEO sat Provider Chanels. In the TV Service the chanels display correctly but when i play in Mediaportal i only see a corner of the chanel screen, like the screen resolution is 800*600 and the chanel is 1080 * 1024. Meo sat is supling the chanels in HD format. I tested arte HD and Simul HD in Astra and the chanel displays correctly in both TVService and MediaPortal.
I changed codecs but the problem stays ( CoreAVC, FFdshow, cyberlink, and the one included in mediaportal)

By the way im running a screen resolution of 1280*720(HD format) it´s the may for my TV.
Any solution for this?