Hello Ejej,
Make sure you have the soundbar connected to the HDMI ARC port of your TV for seamless connectivity. If you continue having difficulties with the soundbar.
So that we can better troubleshoot towards a solution, please reach out to Samsung Support at:
― Phone: 1-800-SAMSUNG / Available 8AM - 12AM EST, 7 days a week
― LiveChat or Email: https://www.samsung.com/us/support/#contact_us_for_support
We look forward to hearing from you.
^Cristian