2019 Macbook Pro - weird squiggly lines on dark colors and screen flickering

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2019 Macbook Pro - weird squiggly lines on dark colors and screen flickering

So up until today i've had some flickering here and there at the bottom of the screen but it wasn't something that really bothered me. But today i was watching a show on my macbook and i noticed the dark colors were all weird, so i ran this test (pictured). Every bright color showed up normally but as soon as it got to black, this happened. Weird squiggly lines and splotches all over the screen. What is that all about?

MacBook Pro 13", macOS 10.14

Posted on Jan 24, 2020 5:30 PM

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Answer 1

MoonJ.

Community Specialist

Jan 28, 2020 9:32 AM in response to jujasen

Hello jujasen,

Thank you for using Apple Support Communities. It's my understanding that your MacBook Pro display has been flickering and and showing unexpected lines. I can definitely see how this could be concerning. The steps in the following resource can help:

If your Mac display doesn't look right

If the behavior continues, try resetting the NVRAM on your Mac.

Reset NVRAM or PRAM on your Mac

If the issue persists, use Apple Hardware Test to search for possible hardware issues on your Mac:

How to use Apple Hardware Test on your Mac

Let us know the results. Please include specific error messages and any other troubleshooting steps you may have tried.

Have a nice day!

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2019 Macbook Pro - weird squiggly lines on dark colors and screen flickering

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