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Stuck in test mode? Flashing colors? No signal? Toggle button?
Asked by
TorontoPaul
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I think my tv is stuck in test mode or service mode its blank screen now after flashing colors. I moved the tv and pushed the toggle button by mistake some menu popped up and colors started flashing.
I was moving it because the hdmi ports stopped working tried everything to fix. Repsir guy said it needs new motherboard despite it the tv knew if hdmi was plugged in. Out of warranty. I just want to get it back to normal instead of black screen. I dont have magic remote. Its 2014 model 55ub8200-uh
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