I'm sorry to hear of the issues you seem to be experiencing with the remote.
It is likely that your remote needs to be connected to the Soundbar to control the TV. Are the source buttons at the top of your remote flashing when you press any of the buttons?
I look forward to hearing from you!
Feel more. Do more. Be more. New to the community? Check out the Getting Started board. Help others find answers to your questions by clicking on 'Accept as Solution' at the bottom of a reply. If you see a post you like, make sure to give it a thumbs up!