Hi Jmmartin, We appreciate your feedback regarding response time. For optimal performance, please ensure your xxx TV is running the latest firmware. You can check this by going to: Home > left directional key > Settings > Support > Software Update To further optimize performance, try running Device Care, which checks memory, clears unused cached data, and closes background apps: Home > left directional key > Settings > Support > Device Care > Start Device Care If issues continue, please reach Samsung Support at 1-800-SAMSUNG, available 8AM – 9PM EST Mon – Fri, 8AM – 6PM Sat – Sun. LiveChat is also available via the ‘Support’ link on our website. ~ Samsung Advisor

Hi Dave, Thank you for your feedback. If your U7900F TV freezes or becomes unresponsive: 1. Cold boot – Hold the Power button on your remote for 5+ seconds until the TV restarts. 2. Update firmware – Home > left directional key > Settings > Support > Software Update > Update Now 3. Run Device Care – Home > left directional key > Settings > Support > Device Care > Start Device Care If issues continue, contact Samsung Support at 1-800-SAMSUNG (8AM – 9PM EST Mon – Fri, 8AM – 6PM Sat – Sun). LiveChat is available under the ‘Support’ link on our website. ~ Samsung Advisor