The svideo connection on your laptop will be a small round one, a bit like a mini-din mouse connector, I expect.
On your TV (or video) - you either need a simlar connector, or you will need a SCART adapter (for the standard SCART input) with an svideo input.
You will also need a seperate cable for audio, from the line out of your sound card (a mini-jackplug, probably) - to whatever input your TV has. If you use a SCART adapter, as well as the svideo socket, it will also have phono sockets for the sound.
AND - your TV will need to be able to accept svideo input - otherwise you are likely to get a B&W picture only.
So - check yout TV inputs, get an adapter if you need one, an svideo to svideo cable, a mini-jack to phono cable for the sound, and set up your graphics to provide the TV output (it's not normally automatic.