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Source changes unexpectedly | Lifestyle® 650 home entertainment system
Make sure the correct button is pressed.
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.
In the menu of the connected device, try disabling HDMI-CEC.
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.
Check the HDMI-CEC setting of your product.
CEC (Consumer Electronics Control) is a feature that allows devices connected via HDMI to communicate with each other. However, since there are a variety of brands and models of HDMI devices, sometimes devices may not communicate as expected. For issues with audio, video, or remote control operations over HDMI, try setting the HDMI-CEC option in your system menu to On or Alternative. Or to bypass HDMI-CEC, try setting the option to Off. For more info, see Turning HDMI-CEC on or off.
Reset the TV.
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.
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