I just finished building my HTPC, and things are great, except it flickers when i am on playback, not when its live. Here are my specs, please let me know what i can do or if the ceton might be defective.
Antec Slimline Micro Pc Case 350PS
MB ASROCK|A55M-HVS A55 FM1 R
Ceton Infinitv PCI
Kingston 8gb DDR3
LG 12x Super Multi Blue Internal SATA 1.5Gb/s Blu-ray Combo Drive
Seagate ST2000DM001 Barracuda 7200RPM 2 TB SATA 6 GB/s NCQ 64 MB Cache 3.5-Inch Internal Bare Drive
Noah Company MediaGate GP-IR02BK Windows Vista Home Premium and Windows Vista Ultimate MCE Remote Control
Have you tried uninstalling and reinstalling the GPU drivers?