Blue/Purple/Green colors on Edges or sides of TV
Samsung LED / LCD TVs do not have a demagnetizing (Degaussing) function. However, if the picture on your LCD TV is green, purple, or blue on both sides or at the edges, top, bottom, or corners, you're probably seeing the effects of magnetic interference from a nearby electronic or magnetic device such as a pair of speakers, a clock radio, or a stereo receiver.
You can resolve this problem by :
Move all electronic or magnetic devices away from the TV by at least by three feet.
If this doesn't resolve your problem, try turning off the TV, unplugging it, and then leaving it unplugged for five minutes. Then, plug it back in and see if it works properly.
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