uk17nadeem Author

Level 1

4 points

Horizontal line flickering on Mac screen

Continue Horizonal Line and flickers

[Re-Titled by Moderator]

Original Title: Horizontal Line

iMac 24″, macOS 26.0

Posted on Oct 10, 2025 2:57 AM

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2 replies

Level 10

135,539 points

Oct 10, 2025 5:11 AM in response to uk17nadeem

If this is an M1 iMac, you need to have it looked at by Apple or an AASP.

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Level 10

90,718 points

Oct 10, 2025 6:53 AM in response to uk17nadeem

Have a look at > Persistent horizontal lines appear on iMa… - Apple Community

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Horizontal line flickering on Mac screen

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