1. Check to make sure the cord from your TV to the wall is connected securely.
2. Check to make sure all of your TV’s power sources are plugged and turned on.
3. Check TV settings to make sure that your TV input is set to the connection type you are using.
4. Check the connections of other devices plugged into the TV to make sure they are properly connecting.
5. Check to make sure the TV software is up-to-date.
6. Check if the sources that you are using to connect to the TV have power.
7. Reset your TV.
8. Contact the manufacturer.