I have seen other methods and some owners say it comes and goes or by pressing on the top off screen. As having many years as a field service tech and dealing with connections it would be a matter of re-seating the ribbon cable connection. e.g. a lg tv that losses wifi just tack back off and dis-conect and re-conect both ends and fixed wifi. LG suggest to take back for repair or replace module. I have done this now on 5 lg tv’s Connectors do become a real problem so any views on a disassemble to this screen ribbon cable thanks.
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