What do I need to connect my Vizio TV and Dell laptop Wirelessly?

I need to connect my Vizio TV and Dell laptop wirelessly. I already have the cable to connect them but I would really like to have a wireless connection to my TV.What do I need to connect my Vizio TV and Dell laptop Wirelessly?I believe ive seen it done with a tv tuner for the computer but in all my experience ive had to do it with hdmi cables