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Hello, What is the model number off of the back of the TV please?
Are you looking to repair this yourself?
Thanks for the reply. The part you need to replace it $34 and at the link below. This is your Mainboard. It processes all of the remote and button commands on the set. It's "plug and play"- meaning no soldering or special tools are needed to replace it.
All of the MENU's and commands are generated by this board- so you see it's not a setting you can change to fix this- as you can't use any of the buttons on the set or remote. Your main processor board needs to be replaced. It is the "brains" of the TV.
If you need further assistance let me know. Please do not forget to click at least a 3 STAR RATING, at the top of the page for my efforts. You can follow up at any time if needed.
Do you need further assistance with this?