Compatible models: OLED65/77W9WNA, OLED65/77W8WNA, OLED65/77W7WNA
Try this
Are you seeking to turn off the startup and shutdown sounds?
➔ Change the [TV Power Sound] settings in TV Settings.
Select [All Settings] in the [Settings] menu.
You must adjust the TV volume to change the power on/off sound volume.
This guide was created for all models, so the images or content may be different from your product.