Hey, OP here. So you are correct, a computer needs to have WiDi support to be able to support Miracast. WiDi support, if I remember correctly, falls in with how old your processor is. I have an...

What device? The only devices I found are ones that plug into the TV, so the TV can support miracast.

So I just got a new LG smart TV that has a screen share mode. I wanted to use it but apparently my PC doesn't support miracast.

How do I get miracast support? I'm sure all my drivers are up to...