Why won't my smart TV connect to a streaming app after I changed my Wi-Fi network?
Answer
This usually means the TV is still trying to connect using the old Wi-Fi network's saved settings. Selecting the new network directly in the TV's Wi-Fi settings and entering the new password usually restores the connection.
Follow these steps
Restart the router
Unplug the new router for about 30 seconds, then plug it back in and wait for its lights to show a normal connected state.
You should see: Other devices confirm the new network is broadcasting and working.
Open the TV's network settings
On the TV, open Settings, then Network, then the Wi-Fi connection screen.
You should see: A list of available Wi-Fi networks appears.
Forget the old network if listed
If the old network name still appears as saved, select it and choose to forget or remove it.
You should see: The old network no longer appears as the TV's saved connection.
Connect to the new network
Select the new Wi-Fi network name from the list and enter its password carefully.
You should see: The TV shows as connected to Wi-Fi with a normal signal indicator.
Reopen the streaming app
Launch the streaming app again and try playing a title.
You should see: The app loads and plays without a network error.
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Extra tips
What to look for: The exact error code or message shown, and whether the TV's Wi-Fi settings still list the old network name.
Before you change anything: Confirm the exact new Wi-Fi network name and password. Check that other devices, like a phone, connect fine to the new Wi-Fi. Confirm the TV software is reasonably up to date, since very old versions sometimes struggle with newer router security settings. Avoid entering Wi-Fi passwords into anything other than the TV's own settings screen.