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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;
Model Number would be written on a label pasted on the back cover or the side panel of the TV
- Does the power indicator light on the TV respond when pressing the power button?
Okay, the following is the first troubleshooting step that should be tried and will help- Disconnect the TV power cord from the power outlet/ socket for 10 minutes to reset, replug back in and check?The above is a simple troubleshooting technique and if that does not work then I'm afraid the TV power supply board or the mainboard has got an internal failure which is causing the trouble, sorry for this news
It needs to replace the faulty board on that TV to resolve the issue. I hope this info will help. If you have any additional questions, feel free to askThanks for using JustAnswer
Okay, wish you the best~