Casting a laptop's screen with a TV is pretty straightforward This article explains how to mirror a laptop to a TV both ...

If you’re using a laptop] on a daily basis, you’ll know how tiring it can get to stare at a 13-inch screen for hours on end. This is why it’s great that most modern computers can be connected to a TV.

Before you attempt to mirror to a TV, be sure the TV and the laptop are connected to the same network. Can't go wireless? Connect the HDMI cable to your laptop and your TV. MacBooks can use an adapter ...