Please refer to the following troubleshooting steps to fix Android TV connection issues.
1. Check if there’s any access restriction active on your Wi-Fi router
• If access restriction is active, please disable it in router settings and try to
re-connect to the Wi-Fi router by going to “Settings” > “Network
Internet”on Android TV.
• If there’s no access restriction active, please go to step 2.
2. Check if a network connection is available by restarting the Wi-Fi router
and Android TV by going to “Settings” > “Device Preferences” > “Reboot”
• You may refer to this video for more details: