Press [Settings] at the top right corner of the TV screen and select [Initial Settings] in [General].
Try this
How to initialize TV
1. Press [Settings] at the top right corner of the TV screen and select [Initial Settings] in [General].
2. Set the language and locale.
The [Successfully set locale and language] message appears.
3. Select [Internet Connection Method] in [Internet Connection] and press the [Connect] button.
4. Specify the usage, either home or store, in the [Watch TV] menu, select the broadcast signal, and press [OK].
5. Select the port to which your set-top box is connected in [Set-top Box Settings].
Connect the antenna or cable to the corresponding port on the back of the TV and select [Start] in [Channel Settings].
(Discovering channels... Please wait a minute).
6. After reading [Legal Notice], press [Next].
7. After reading the [Terms and Conditions], press [Agree].
8. Check all the changes you have made in [Items Set] and press [Complete].
This guide was created for all models, so the images or content may be different from your product.