I have a Samsung LE40B530P7 TV, when I switch it on the sound is OK and the picture appears and then screen goes black after about 10 seconds?
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The TV is 5 yrs old. Problem started yesterday. Nothing apprears on the TV if I press the menu after the screen goes black.
Not coastal, don't think it is high humidity.
Yes when I unplug the power, wait and then switch on again. The picture is OK, but slight flickering for a while then the screen goes black again. I have tried this several times and the same thing happens.