Sound input source changes unexpectedly

Be careful to press the correct button to activate a desired command. If the wrong button is pressed, or if multiple buttons are pressed at the same time, the system will not respond properly.

Demo mode is used for in-store displays. In case this mode was accidentally enabled—or if this is a newer system that was purchased as an open-box item—check that Demo mode is disabled. For more info, see Turning off Demo mode.

Another Lifestyle system with the same house code may be located within range of your system. The nearby users may inadvertently control your system. Individualize your system by changing the house code settings. To change house code settings, see Changing house code settings.

CEC (Consumer Electronics Control) allows devices to send control information (e.g. power, input switching, remote control, etc.) back and forth over HDMI. CEC implementation and capabilities can vary among different brands, which can cause various control issues. Try disabling CEC in the menu of the connected device, then try again. Depending on the brand, CEC may be labelled differently in the device menu. For more info, see Names used by different brands for CEC.

Electronics may need to be reset from time to time—much like rebooting a computer. Disconnect power from the TV for 30 seconds, then wait for it to start up.

If the steps provided do not resolve your issue, your product may need service. Follow the link below for more information on how to service your product. Depending on your product and region, you will be provided a contact number or the ability to setup service online.

Click here to start service