Horizontal lines display

Discussion in 'MacBook Pro' started by cupofcoffee, Apr 24, 2018.

  1. cupofcoffee macrumors newbie

    Joined:
    Apr 24, 2018
    #1
    Sup guys.
    I recently noticed horizontal lines on my mbp display.
    Reset smc and nvram didn't help. I'm guessing problem is with screen not the gpu because when I'm taking screenshot there are no any lines.
     

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  2. DeltaMac macrumors G3

    DeltaMac

    Joined:
    Jul 30, 2003
    Location:
    Delaware
    #2
    You may be correct.
    Which MBPro do you have? Is it one with replaceable RAM? (the retina display models do not have replaceable ram, so would have to be 2012 or older model for this tip.)
    You can try reseating the RAM, or removing one stlck at a time to see if that makes any difference.
    And, try connecting an external display, if possible. That can probably tell you if the problem is the graphics chip, as an external display might show the same issues.
     
  3. cupofcoffee thread starter macrumors newbie

    Joined:
    Apr 24, 2018
    #3
    MacBook Pro 13-inch, 2016, retina.
    Unfortunately I can't connect an external display yet, still waiting cables from China.
    I remembered that my backpack with notebook could fall off from a back seat a few times, when i braked my car sharply. That could be the cause.
     
  4. DeltaMac macrumors G3

    DeltaMac

    Joined:
    Jul 30, 2003
    Location:
    Delaware
    #4
    You can try the built-in diagnostics. Maybe a fault code will be reported from that test?

    There is not much you can do, other than possibly trying to reseat the internal video cable connection between the screen and the logic board. If you are comfortable with opening up your MBPro, you can try that. If not, take your MBPro to an authorized service shop or Apple store for better answers.
     

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