I have desktop with intel core2duo 2.8 Ghz 4gb ram i need graphic card to enjoy HD movies on my 40 inch full HD LED TV may not be playing any games can any one suggest good graphic card , 1gb or 2 gb
But you would need to configure your video player for HD playback via the GPU(DXVA)
In case you use Media Player Classic(from K-Lite codec pack)(Download here-http://www.codecguide.com/download_k-lite_codec_pack_mega.htm)
follow the tutorial given below.