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My macbook pro displaying black background with multicolored vertical line all over the screen when i switched it on.Tried to reset pvram etc but didnt work.Is it the screen damage or loose connection?
To diagnose the problem, try first to connect an external monitor. If your screen is displayed on the external monitor without the lines, you know it's a hardware issue on your laptop.
If you know it's a hardware issue, it could be the logic board, the display data cable or the LCD.
To diagnose the problem, try first to connect an external monitor. If your screen is displayed on the external monitor without the lines, you know it's a hardware issue on your laptop.
If you know it's a hardware issue, it could be the logic board, the display data cable or the LCD.
That display screen (and not likely anything else) is cracked along the line between color and black-and-white, and the display assembly will need to be replaced.
Connecting it to an external display or TV set as an experiment or work around is a great idea.
Macbook pro screen display showing vertical colored lines with black backgroun
