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saudl__2007

HDMI not working !!!

Question

Hi evryone

 

It was the entrance to the HDMI running but when attaching laptops ( can be there is the viruses )
 
is the operator of the entrance 2 suddenly shows the entrance 3 then 4 !
 
And then did not engage in any HDMI input
 
My model 55ub8500 not in new update 

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