What you will need is to go out and buy a cable that is designed to be hooked onto your computer and the back of your tv. Once its hooked on your have to go to display settings and change which...
High 50-low 90's in the winter, rainy, sunny, just kind of everything. If you don't like the weather in Texas wait five minutes and it will be different.
Multiplex PC would be a good start. They have a good selection and a fast turnaround on their products. Here is a direct link to their Multiple Monitor...