Black lines on display after macOS Tahoe 26.0.1 update

after update of new version macOS Tahoe 26.0.1 ...my laptop on display i getting black lines are appearing on my display and the screen is not visible clearly


[Re-Titled by Moderator]

Original Title: dispaly

MacBook Air 13″, macOS 26.0

Posted on Oct 8, 2025 12:52 AM

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Question marked as Top-ranking reply

Posted on Oct 8, 2025 4:21 AM

If you take a screenshot (Command-Shift-3), do the lines show up in that? If they do not, then you have a hardware problem with your Mac and it needs service.


Mac Repair and Service - Apple Support


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Black lines on display after macOS Tahoe 26.0.1 update

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