Need more information.
1) What is the video source (cable, satellite, ota transmissions)?
2) What TV Tuner Card are you using?
3) What Video Card are you using?
4) How is the PC connected to the HDTV?
Thank you for your reply,
The Cards are twin Hauppauge TV HVR-2210 Kit with windows 7 pro and HDMI link cables.
The source is Antenna TV Digital Reception
The mother board is GA-Z68 x P-ud3-iSSD