Screen Mirroring is not working. Which settings should I have on my router?

Screen Mirroring relies on being able to find Smart TVs on your home network and being able to communicate with your Smart TV. At the same time, your Smart TV must also be able to communicate with your Mac. Some router settings will block this communication.

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For everything to work smoothly, please apply the following router settings:

  • Ensure you have the latest firmware update for your router on the manufacturer’s website.
  • If you have a dual band router, use separate names for the 2.4GHz and 5Ghz network. Then make sure that both the Mac and the TV are on the same network. So: if the Mac is on 2.4Ghz, your TV should also be on 2.4Ghz. If the Mac is on 5Ghz, put your TV also on 5Ghz.
  • If you have a router with MAC address filtering, add the MAC address of your TV to the list of filtered devices.
  • Disable Access Point/Client isolation on your router.
  • Disable Wireless Isolation on your router.
  • Disable IGMP Proxy on your router.
  • Disable any Virtual Private Networks (VPNs) or proxy servers, on your router and/or computer.
  • Enable UPnP/Multicast on your router.
  • Enable IGMP on your router.

What does a router do for a tv?

The router is responsible for connecting the TV to the internet. It basically acts as a gateway between the two. The router takes data from the internet and sends it to the TV. The TV then uses that data to display content on the screen. The router also helps to keep the connection between the TV and the internet stable. Without a router, the TV would not be able to connect to the internet and would not be able to display any content.

What is the difference between a router and modem?

A modem is a device that connects your computer to the internet. It does this by converting the digital information in your computer into an analogue signal that can travel over the phone line. Once it reaches its destination, the modem then converts the signal back into digital so that your computer can understand it. A router is a device that helps to direct traffic between different computers on a network. It does this by using special algorithms to decide which route each packet of data should take. Routers are often used in conjunction with modems, as they can help to improve the speed and reliability of the connection. In summary, a modem is a device that helps to connect your computer to the internet, while a router is a device that helps to direct traffic on a network.

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