crwdns2933897:0crwdne2933897:0

LG OLED TV turns on, beeps and turns off

When I turn on my LG OLED 55 TV, the LG logo appears, a beep sounds and then it turns off.

I have tried several procedures and the problem still persists.

Watch the video of the problem:

https://www.youtube.com/watch?v=lW6-A0Nu...

Can you help me?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0