After turning on the TV, it turns off immediately. (only models equipped with an OLED panel)
Select within the text to jump to the related settings screen.
In this case, the TV might be in picture reset mode. When picture reset mode is enabled, the TV turns off for about 10 minutes after it is turned on, and then turns on again to reduce image retention. This is not a malfunction of the TV.
Turn on the TV again using the remote control and disable picture reset mode.