Usually this is the LCD screen going faulty, specifically, the driver transistors that make the rows/columns display. This is a common thing... It can also be the Inverter, controller as well, in any event it is NOT an easy fix, replacement is only option.
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Usually this is the LCD screen going faulty, specifically, the driver transistors that make the rows/columns display. This is a common thing... It can also be the Inverter, controller as well, in any event it is NOT an easy fix, replacement is only option.