I have a thin green line on my dell inspiron 15 laptop screen , its visble form boot time itself , what could be the problem ?????
I assume that it is there during booting etc? If so, and it's under warranty, send it back
Otherwise you would have to take it apart and likely replace the LCD panel which would be a major chore unless you were an EE or an assembler.
It may even be a displaced connector on the LCD loom one end or the other. Needs significant dismantling to check either.
Last time I dealt with something similar it was a poorly connected ribbon cable from motherboard to LCD panel.
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