Removing DNS settings from your Apple TV 3
From your Apple TV 3 home screen, click on Settings.
Click on General.
You should now be in the General settings page, click on Network.
Select your network connection, Ethernet if you are connected via cable or Wi-Fi if you are using a wireless network.
Scroll down and click on Configure DNS.
If you had set our DNS earlier, Manual should be selected by default. Change this to Automatic.
Return to your homescreen.
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