
Be sure to select Home Network - that should still protect those IPs from external connections while allowing on your home network.Scroll down and select My Network Connections.Open McAfee and select the My Protection Icon (four dots in a square or other method).This is for my current version of McAfee: However it should be better than just disabling your Firewall. I do not know if this action is totally safe. There may be a similar process with other Antivirus Apps.ĭisclaimer. I added a range of IP addresses allowed and now my PC/Laptop will cast/connect and screen mirror to my Roku - with the Firewall active. If that works and your PC/Laptop now connects, THEN you might proceed with the following which should allow you to leave your Firewall active and still connect/cast/screen mirror to the Roku: How to do this depends on your Antivirus App.

To check if this is your issue, FIRST try turning off the Firewall in your Antivirus. The cause may be the Firewall on your PC/Laptop (I.E.

Given that your Roku is properly configured for screen mirroring, There are many posts here and on the After a while the connection fails on the PC/Laptop.
