renberg19,
I'm sorry to hear that you're having this issue.
The best recommendation I can make is to call the Samsung customer service center. They may be able to assist you, or refer you to a service technician who can inspect and repair your set.
--HDTech
My TV had been cycling off & on when I tried to power it up for the last 2 or 3 weeks. Now it will not come on at all. Any suggestions ?

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