Macbook Pro M2, distortion and window sizing issue on external display, when refresh is higher than 30

Hi,


I have been using this setup (Macbook Pro M2 + Philips 276E display) since at least November and haven't had a single issue with it until now. As you can see in the youtube video I've linked to below, there's a strange distortion on the screen, and the windows don't scale properly even though the secondary monitor is set to default resolution.


The issue is not with the monitor itself nor with my HDMI cables (unfortunately I don't have a display port as of right now) but with the Mac itself, as the distortion and sizing problems go away when I lower the refresh rate to 30 hz or below. The issue starts already at 50 hz. I tried upgrading to Sonoma 14.5 but to no avail.


Is there anything I can do about it? Any help is highly appreciated.


[Edited by Moderator]

MacBook Pro 14″

Posted on May 18, 2024 5:21 PM

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May 22, 2024 11:32 AM in response to marje181

marje181 wrote:

Hi,

I have been using this setup (Macbook Pro M2 + Philips 276E display) since at least November and haven't had a single issue with it until now. As you can see in the youtube video I've linked to below, there's a strange distortion on the screen, and the windows don't scale properly even though the secondary monitor is set to default resolution.

The issue is not with the monitor itself nor with my HDMI cables (unfortunately I don't have a display port as of right now) but with the Mac itself, as the distortion and sizing problems go away when I lower the refresh rate to 30 hz or below. The issue starts already at 50 hz. I tried upgrading to Sonoma 14.5 but to no avail.

Is there anything I can do about it? Any help is highly appreciated.

[Edited by Moderator]



Use external monitors with your Mac: Connect a display to your Mac - Apple Support


Get help with video issues on external displays connected to your Mac - Apple Support
 If your external display is dark or low resolution - Apple Support




Using 4K displays, 5K displays, and Ultra HD TVs with your Mac - Apple Support
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Use the LG UltraFine 5K Display with your Mac or iPad Pro Use the LG UltraFine 5K Display with your Mac or iPad - Apple Support




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Macbook Pro M2, distortion and window sizing issue on external display, when refresh is higher than 30

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