Question: do you need chromecast with smart tv?
Answer: Yes, you can use Chromecast with a non-smart TV as long as the TV has an HDMI input port. But, NO, you can't use a Chromecast all alone. You need another device (phone, tablet, or computer) to tell it what you want it to do. ... Chromecast goes into a hdmi you need a tablet, phone or other to cast it to the TV.