
The firewall on your router may prevent communication.It’s easier to fully disable these apps while testing for connection, then re-enable and make adjustments later. It’s essential as antivirus apps often have their own firewalls and network traffic blockers.
With antivirus products, such as Norton, you may have to follow a similar process. Apple has provided instructions for allowing applications through the firewall. In many cases the firewall on your computer may prevent the devices from communicating. Wi-Fi B & G are not really up to modern networking tasks, so please use an AC or N router. New routers support Wi-Fi AC & N, whereas old ones might only support Wi-Fi B and/or G. If your Mac is connected to several different networks (for example, via Wi-Fi – to one network, and via Ethernet – to another), go to Preferences > Streaming > DLNA tab and select the network where a search for devices should be performed. So it’s important not to have your Mac on 5Ghz and the receiving device on 2.4Ghz or the other way around. Some routers (dual band) have both a 2.4Ghz and a 5Ghz wireless network. Make sure that your Mac and the receiving device are connected to the same Wi-Fi network, same router, and the same router channel. #MAC NETWORKS SETTING FOR STREAMING VIDEO FULL#
Powering off your TV is NOT ENOUGH to do a full reboot. Please disconnect it from its power supply for at least 1 minute, then put it back in. Unplug it from the power supply for a full reboot. Just unplug it from the power supply, wait 30 seconds, then plug it back in. If you have problems discovering your device, here are some troubleshooting tips that can help: Samsung TV, LG TV, Chromecast, etc.) and Mac are connected to the same Wi-Fi network. Please make sure that your receiving device (e.g. Why the app doesn’t find my device that I want to stream to?