The touch screen mode on the tv panel where one can turn tv on or off, volume control, etc , is not working. It is completely off. How do I turn it back on?
Also, there used to be a green line at the bottom of the tv screen. Now it appears to be a red dash line on the left of the screen and the remainder is still solid green. What is happening? How do I fix it?
The tv is less than 2 years old.

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