Resolution of screenshot is off

I recently bought a new 13-inch M1 MacBook Air, and the about my mac says the screen resolution is 2560x1600. However, when i take a screenshot the resolution is 2880x1880 (according to preview). Is there any way I can fix this? The disparity in resolution means I can't make the screenshot fit properly on my MBA. Help is appreciated

MacBook Air 13″, macOS 12.1

Posted on Feb 11, 2022 11:02 PM

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Posted on Feb 14, 2022 8:29 AM

Eentelijent wrote:

Thanks, safe mode seems to fix it up. But i don't get why the image can just "expand" like that. It only fixes in safe mode though;

Or rather, safe mode breaks it. One of the things Safe Mode disables is much of the graphics animation. Obviously some parts are still functional, because the screen still works. But everything runs slower because animations aren't happening on the GPU in the same way.


I think this also explains the screen shot resolution discrepancies that you are seeing. The system provides resolution independence. The screen is designed to look the same way regardless of your chosen resolution or scale factor. I think it does this by internally running the GPU internally at a higher resolution. Everything gets downsampled to whatever resolution and scale factor you are running at. But when you take a screenshot, what should it do? Should it give you the downsampled version? If it does, and you scale that back up to look at details, it probably won't look right. The pixels will probably be slightly off. And if you are taking those screenshots to ensure pixel-perfection in your work, you might get really frustrated.


But if you are running in safe mode, that pixel-perfect optimization is disabled and you get the "correct" resolution.


The moral of the storey? Just take your screenshots and downsample to the resolution you need.

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Resolution of screenshot is off

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