Tries tv unplug,replug it back like about an hour.By letting the tv resetting itself back to the tv factory setting.Now,the tv should be working again.If it still have the same result.Mean the tv power supply board,that the board where the power a/c plug into it.The causes and the problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
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Tries tv unplug,replug it back like about an hour.By letting the tv resetting itself back to the tv factory setting.Now,the tv should be working again.If it still have the same result.Mean the tv power supply board,that the board where the power a/c plug into it.The causes and the problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.