Home sharing is on, but I don't see my computer in appleTv settings
I turned on Home Sharing on my computer, but AppleTV 3rd Generation doesn't't recognize my computer (OS Catalina)
MacBook Air 13", macOS 10.15
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User profile for user:
CarlAVII
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Community Specialist
Hello maryaventura1,
Welcome to Apple Support Communities. From what you described, it sounds like you're not able to use Home Sharing on your Apple TV. I'd be happy to provide information that may help.
First, be sure that you've set up your devices using the steps here: Use Home Sharing to share media from a computer to other devices.
Next, check to see if any firewalls or security settings are causing this. On your Mac, go to System Preferences > Security & Privacy and select Firewall. If the firewall is blocking all incoming connections or allowing only essential services, click Firewall Options and edit the settings.
Finally, if you're still having trouble, please reply with whether or not you were able to use Home Sharing previously.
Take care.