How to get PC to 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 date, but i'll check again. Here's my dxdiag, I couldn't get much info from it. I'm not sure why it's not supported, and I don't have much knowledge on the issue.

Dxdiag

Could someone who knows more about this help me out? I can get the TV to show up in Devices under settings, but I can't project to it.
Does my second monitor have anything to do with it?

Project to a wireless display with Miracast - Windows Help

bro67 said:

You have to get the Miracast device for your computer, in order for it to work.

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

Check the link in post number 3

completely did not answer the question the OP asked. the linked article simply states that some driver magic voodoo goes on. it fails to name the driver or describe ways to work around the fact that miracast will in fact fail to be available if you computer has a display adapter of any kind that is not in the microsoft HCL and using the microsoft driver not the OEM driver.. Sure I'm making this all up as I go along, but nobody does appear to have produced an authoritative answer, so why not.

Seriously, what is the actual criteria? touch enabled screen locally? ATI or NVidia only? A digital DRM protected display? which is it?

I registered JUST so I could help with the general idiocy surrounding this with people who just do not understand the question. I know this is a really old thread, but the question isn't answered very well out in the internet, so I thought I'd answer it definitively here.

Will probably be my only post on this forum.

If your computer is like mine, upgraded from Windows 7 to anything higher (probably Windows 10 now, like mine) your computer is likely NOT to support WiDi. Apparently the only stupid way to check is to try to project your screen (Win+P.) If you see "+ Add wireless display" CONGRATULATIONS! Your computer supports WiDi.

If you're like me and don't even see the option to add a wireless display, then you have only ONE option to get Miracast working on your computer, and that is you must purchase a Miracast TRANSMITTER (not a RECEIVER, a TRANSMITTER.) Search for Miracast transmitter on Amazon or Google, and you'll get a number of dongles or packages for purchase.

However, the easiest way to get screen mirroring is to buy a Chromecast.

Hope my hours of reading and sifting through stupid replies like the one above helps somebody.

One thing about 6-month old posts, or maybe 6-weeks or maybe 6-days or less, the poster/s usually have either fixed the issue, junked the computer and bought new or moved on to other things.

I do agree with one of your statements and disagree with a description.
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sweetPixiesmile said:

I registered JUST so I could help with the general idiocy surrounding this with people who just do not understand the question. I know this is a really old thread, but the question isn't answered very well out in the internet, so I thought I'd answer it definitively here.

Will probably be my only post on this forum.

If your computer is like mine, upgraded from Windows 7 to anything higher (probably Windows 10 now, like mine) your computer is likely NOT to support WiDi. Apparently the only stupid way to check is to try to project your screen (Win+P.) If you see "+ Add wireless display" CONGRATULATIONS! Your computer supports WiDi.

If you're like me and don't even see the option to add a wireless display, then you have only ONE option to get Miracast working on your computer, and that is you must purchase a Miracast TRANSMITTER (not a RECEIVER, a TRANSMITTER.) Search for Miracast transmitter on Amazon or Google, and you'll get a number of dongles or packages for purchase.

However, the easiest way to get screen mirroring is to buy a Chromecast.

Hope my hours of reading and sifting through stupid replies like the one above helps somebody.

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 i5-2500k, and Intel deemed it too old to update the drivers to support WiDi. The new(er) processors do have WiDi support though (I think).

Personally, I ended up running a 30ft HDMI cable to my TV. It's well hidden so it doesn't bother me. But obviously not everyone will be able to do this, so getting a Miracast transmitter might be the solution.