If Possible, HDMI which is like the uber best!
But, If not,
Check the back of your tv.
Is it a VGA connection? VGA Plug Looks Like:
http://www.avtoolbox.co.uk/images/1t-vga-cattx-rear.jpg
If it is VGA, you need a VGA cord like this:
http://www.bargainbytes.net/catalog/E118405%20%20VGA%20Cord%206%20ft.jpg
then connect it to your tv and you should be ready to go.
Is it a S-Video Connection? S-Video Connection looks like:
http://www.coloredhome.com/video/s-video_PC.JPG
An S-Video Cord looks like this:
http://www.vpi.us/images/svext-xx-mm1.jpg
Dylan M