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Hello, my name is***** am one of the JustAnswer.com techs who is going to help you todayI’m sorry to hear you're having trouble with TVI need the following info to troubleshoot the problem;
Thanks for the info
Please unplug the TV power cord from the wall socket for 10 minutes to reset, reconnect it back in to reboot, and check
If the problem still persists then it would be the mainboard internal failure, 2x flashing light is telling the sub power supply section on the mainboard of the TV has got an internal failure and it needs to replace the main board on the Tv to resolve the problem.
Please click the following link to view a sample mainboard of that Tv, similar one will be installed in your TV
I trust my input will help you out to make the decision about this TV repair or invest that money in a new replacement TV due to the current pandemic situationIf you have any additional questions, feel free to ask Thanks for using JustAnswer
Very much welcome, wish you the best~