How do you remove a green spot from screen?

How do you remove a green spot from screen?

I own a Samsung Ultra High Definition TV that I have had a little over a year and a half now. I have been very pleased with the overall quality of the product, but last night I noticed a small green dot/spot on the screen. I was wondering if there is a way to remove the green dot from the screen. Is this something that I can do on my own? Do I need to notify Samsung support? Or should I have a repair technician come out to do the repair?

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