: Miracast often requires your connection to be set to a Private network profile rather than Public. Hardware Workarounds
: Miracast requires Wi-Fi to be turned on, even if your PC is connected to the internet via Ethernet. pc doesnt support miracast
wireless adapter must support it. Common reasons for the error include: Microsoft Learn +1 Missing Wi-Fi: Many desktop PCs don't have built-in Wi-Fi, which is required even if you're using Ethernet for the internet. Driver Mismatch: A recent Windows update might have replaced your specialized driver with a generic one that lacks Miracast support. Disabled Features: The "Wireless Display" optional feature may not be installed or enabled on your system. Microsoft Learn +3 How to Fix It 10 sites Miracast not supported - Microsoft Q&A Dec 8, 2025 — : Miracast often requires your connection to be
: Third-party VPN software can sometimes block the local wireless connection required for Miracast. Common reasons for the error include: Microsoft Learn
Pro Tip: If Windows says the best driver is already installed, go to your manufacturer's website (Intel, AMD, NVIDIA, or Realtek) and download the latest drivers manually from their support page.
Is this a ? (Desktops often lack the necessary Wi-Fi chips). What did the dxdiag report say specifically? Are you trying to cast to a TV or another PC ?