Television will not trun properly

We have seen lamps cause this problem.

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This sounds like a safety feature built into the television. It may be trying to protect itself from an unsafe electrical source. The more expensive the equipment, the more sophisticated the power supply that converts the power from your outlet into your television. There could have been a lightning strike that has disabled the tv. Or it could be a faulty outlet.
Before called for a technician, I recommend plugging the television into a different outlet. use a good quality extension cord if necessary. You may find that your outlet is not polarized correctly. Good luck.