If after all these steps your hardware simply does not support Miracast (dxdiag says "Not Available"), you cannot force it. Here are three hardware alternatives:
Miracast requires a specific Wi-Fi driver that supports "Wi-Fi Direct." Old drivers disable Miracast. download miracast for windows 10
Have questions about a specific “Miracast download” link you found? Assume it’s unsafe and stick to the official Windows tools above. If after all these steps your hardware simply
If you keep searching for because it won't work, try these fixes. Assume it’s unsafe and stick to the official
It does not exist. Miracast is a capability of your wireless hardware and Windows 10 itself. Use the dxdiag tool to check support. If it’s missing, either upgrade your Wi-Fi adapter or use alternative screen mirroring software.
If your dxdiag shows Miracast is available, here’s how to use it: