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fkadb Author

Level 1

30 points

Pinch zoom on MacBook Pro unreliable with macOS Monterey

On the latest MacBook Pro (16" M1 Max) running macOS Monterey the pinch zoom gesture on the track pad is unreliable. About half the time spreading my thumb and index finger apart or moving them closer together does produce the expected zoom effect, but the rest of the time either nothing happens at all, or the curser tracks the index finger but there's no zoom. This happens with Safari, Chrome, Photoshop, and other applications.

The problem does not appear to be caused by a hardware defect. It occurs with both the built-in trackpad and an external Magic Trackpad. Only pinch zoom is affected; other single and multi finger trackpad gestures work fine. Also, pinch zoom used to work on a 2019 MacBook Pro 16", but it became unreliable after upgrading to Monterey.

Is this a known bug? Is there a workaround?

MacBook Pro (2020 and later)

Posted on Nov 15, 2021 6:06 PM

Top-ranking reply

mmarshall_

Level 1

8 points

Posted on Jun 11, 2022 3:41 PM

I'm pretty sure this is a software bug. It happened on my old 13' inch 2013 MacBook every once in a while while using Sketch. Now it's happened a couple of times on my new 16' inch MacBook Pro M1 Pro. I thought the app was the problem, but it seems from this forum it's bigger than that.

Quick Fix:

Open System Preferences
Click Trackpad
Click the Scroll & Zoom Tab
Turn off Zoom in or out
Close System Preferences
Repeat steps 1 - 3 and turn Zoom in or out back on.

It should start working again

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Pinch zoom on MacBook Pro unreliable with macOS Monterey

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