Is it possible that you are experiencing problems with your display? Please try unplugging your TV for a few minutes, Make sure that your tv has plenty of space between the back of the TV, This allows the TV to cool off, then plug in your TV and open the settings menu and select Support and then run the Device Care application to check your TV for any hardware-related and software issues, If your TV is still experiencing heat-related issues Contact Samsung Support directly they can assist you further and they even have an option to remotely connect to your TV if available, The phone number is listed below, Make sure you have you make and model and serial number for them to access your TVs Support information +1 800-726-7864
