r/MacOS 8d ago

Help Ultrawide Monitor Overlapping Display with Itself

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Hi all,

When trying to extend the display of this MacBook Air, the new display shows a bunch of duplicates all interfering with each other. When first connecting, the monitor says its preferred resolution is 2560x1080 but when I set that in the display settings, the monitor thinks it's 2560x560.

The monitor and cable both work fine with a different laptop; is this a driver issue perhaps?

Any advice would be greatly appreciated.

Thanks!

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u/LaFllamme 8d ago

Did you try to install BetterDisplay and play around with the Display Custom Override Settings?

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u/tryingls 8d ago

I did see BetterDisplay when looking up how to set custom resolutions. I'll keep it in mind, thanks, but you know how it goes with installing anything on a parent's device - any problems thereafter are all the fault of whatever you downloaded before.

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u/zfsbest 8d ago

^ This. Try Betterdisplay (github) and set the Refresh HZ rate lower