IF your Notebook, and TV have DVI or HDMI, you can get a standard DVI or HDMI Cable. If not, you have a few options.
If your PC has VGA (Most do), you can get a convertor from VGA, to component video on your PC.http://www.amazon.com/StarTech-com-CPNT2VGAA-Component-Video-Converter/dp/B0014BL9PO/ref=sr_1_11?ie=UTF8&qid=1334956601&sr=8-11
If your TV has HDMI, but your PC does not, there is a very cool wireless system available.http://www.amazon.com/Warpia-StreamHD-Edition-Wireless-1080P/dp/B005P5UOM4/ref=sr_1_6?ie=UTF8&qid=1334956287&sr=8-6
is the wired option.
If you are unsure of what your laptop, or PC have, the owners manual will supply that information.