Question: how do i connect my laptop to my panasonic smart tv?
Answer: Connect one end of your video cable to your laptop computer's video output. ... 
Connect the other end of the cable to the corresponding port on your Panasonic TV. ... 
Connect an audio cable with 3.5-mm plugs on either end between the "line-out" or "headphone" jack on your computer and the "Audio In" jack on your Panasonic TV.