Forum Discussion
BMERCIER45
Jan 15, 2024Copper Contributor
Screen Mirroring (wireless casting) on TV stopped working
Hello, for the last month or so wireless casting (Windows key + K) on our Samsung TV stopped working with all our Windows 11 laptops (we have 70). However, it's still working with a Windows 10 laptop...
sdkrame
Mar 22, 2025Copper Contributor
I found out what was causing my problem with wireless casting to my Samsung TV from my Lenovo laptop. It had to do with my Norton app. There is a setting for "Smart Firewall" within the Advanced Security settings. Once turned off I am able to wirelessly cast to my TV. You can turn off the setting for a specific amount of time. You obviously need to turn it back on after you are through casting.