Your video card has three 'digital' outputs ( DVI, HDMI, DP ), whereas your TV has only three 'analog' inputs ( composite, S-video, component ).
Therefore, I suggest you shoud try to get a DVI-to-component converter cable or converter box, if available, because component is the best among the three analog inputs your TV set has. But this is not enough. You should also transmit audio from your PC ( sound card ) to your TV set with a separate cable.
Conversely, you can buy a black box that receives HDMI input ( which transmits both video and audio ) and outputs component and audio separately. But I believe such a black box ( along with the cables ) may be so expensive that you will want to buy a new TV set that has lots of inputs of all flavors, HDMI, component, composite, etc. Anyway, you have to search the web for " HDMI to component converter ".
Hope this helps.