Why is the panel of WM75B turning off?

The panel after a short time of operation (5'-10') turns off and then flashes. Thank you

Answers

Connect the screen to the Internet and install the latest update. If you click on Menu -> Settings -> Software update you will see the current version. Compare here: https://devicebase.net/en/samsung-flip-4-pro-wm55b-wm65b-wm75b-wm85/updates whether an update is possible.
Reset the screen to factory settings: To do this, go to Menu -> System -> Advanced settings -> Start setup to perform the setup again.
Get a Samsung remote control. Use it to enter the commands MUTE -> 1 8 2 -> POWER ON. Here you can perform a factory reset in the menu. The IR sensor is located on the back of the screen. If this does not solve the problem, there is probably a mechanical fault with the cable etc.

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