Hey Bob - I’m sorry to hear that you are having difficulties with your HW-T450 . So that we can better troubleshoot towards a solution, please reach out to Samsung Support at:
― Phone: 1-800-SAMSUNG / Available 8 AM - 9 PM EST, Mon - Fri
― LiveChat or Email: https://www.samsung.com/us/support/#contact_us_for_support
We look forward to hearing from you . ^Jason