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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

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Question marked as Top-ranking reply

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:

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


It should start working again

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68 replies

Dec 31, 2021 12:27 PM in response to muhndo

Hey muhndo,


I agree that this may be an issue that it looks like they will drag their feet to acknowledge since it wasn't fixed in their latest update. The gasket around the screen issue sounds like a problem specific to your machine since I personally haven't encountered that issue with mine. Also, I haven't cleaned my screen too frequently since I started using the thin paper that was protecting the screen the first time you open the laptop. I basically lay that paper on top of the keyboard before closing the laptop so it prevents it from getting the screen dirty or transferring the oil from my fingers on the keyboard onto the screen.

Dec 31, 2021 12:36 PM in response to Stanwik

Hey Stanwik,


Not sure if you have tried this, but I have the same issue and this workaround worked for me:

Open "Activity Monitor" > Look for a process named "Dock" > Select it > Then click on the "Stop" icon at the top > Then "Quit" or "Force Quit" > The dock will then restart itself in a second and the trackpad should register gestures. Also, if the problem is constant, I would add the "Activity Monitor" app as a shortcut to the dock for easy reach.


Hopefully, this helps.

Jan 7, 2022 11:45 AM in response to fkadb

2022 and I'm still having this problem as well. Disappointing. I have a 2021, 14", M1 Max MacBook Pro, and my OS is up to date. jackIsCracked's workaround did not work for me. What I've found to work is to toggle "Tap to click" under Trackpad in the System Preferences (Lord only knows why). Hope a fix is to come.

Jan 9, 2022 11:07 AM in response to fkadb

I have had the very same issue -- pinch in/out not working consistently on my MacBook Pro trackpad -- that started exactly concurrent with upgrading my MacOS from Catalina to Monterey. It is clearly a software glitch and needs to be fixed. I use the trackpad all the time for graphics applications, but my employer will not allow me to revert to a pre-Monterey OS because of security update issues.

Jan 9, 2022 6:26 PM in response to fkadb

Just made a discovery by happenstance: It appears that the pinch/expand may be working, but just NOT on the active/foreground window.


I had been working in Affinity Photo, and then toggled to different windows/programs. I had opened an image in Finder and was frustrated to find pinch/expand not working, but then noticed in an edge of the Affinity window in the background that *that* program was still responding to my Trackpad pinches, even though it was about 3 windows removed from the active foreground.

Jan 10, 2022 2:44 PM in response to fkadb

Hello,


I read this thread searching for an answer, none of it really worked for me. I use Sketch where pinch to zoom is vital. To dodge the problem I started to zoom in/out and it started to work again. Next time when the problem occurred again, I intetionally zoomed in/out (like 3 times in and 3 times out times three) and pinch to zoom works every time after this. Cant confirm if it works with safari or other apps. It is important that you use the keyboard shortcut to zoom in/out couple of times.


Hope it helps.

Jan 15, 2022 1:49 PM in response to fkadb

I am having the same issue on M1 Max (16"). I just had pinch-to-zoom and twist-to-rotate completely freeze in all windows for about 1 minute. Then it unstuck itself and started working normally. Not exactly what I hoped for after upgrading from a 7 year old laptop to a brand new expensive macbook. Pretty disappointed.

Jan 17, 2022 10:31 AM in response to fkadb

I just started having this problem on both M1 13" 2020 and Intel i5 2019 after some Monterey update. Pinch to zoom in / out stops working.


Solution: System Preferences > Trackpad > Scroll & Zoom > Zoom in or out uncheck and check again.


Seems like I have to do this like 1-2 times an hour when working with documents (e.g. Pixelmator, Preview or Microsoft Word).

Jan 17, 2022 12:34 PM in response to fkadb

I'm having the same problem with pinch to zoom being unreliable on a 2020 M1 MacBook Air since upgrading to OS Monterey in December. The recent upgrade to Monterey 12.1 has not addressed the issue. Trackpad pinch to zoom is unreliable across a range of apps including Safari, Preview, Word.


This is clearly a known issue, given the number of reports online and on this page about the issue, very disappointing Apple hasn't addressed this yet.

Jan 21, 2022 12:36 AM in response to fkadb

Hello, fkadb.


I have the exact same issue. I'm on MBP 14-inch with M1 Pro, running Monterey (12.1).


I just wanted to add that for me, this seems to happen when I have two windows of the same application open.

For example, if I open <file 01>.xlsx and <file 02>.xlsx at the same time in MS Excel, pinch to zoom will work fine on one of these two windows, but it will not work on the other one. Also, when I open some kind of map website on Google Chrome, and open another window of Chrome and go to that exact same website, only one of the two websites will allow me to pinch-zoom the map. But, even this glitch happens like 50% of the time, not always.


I also think that this is a problem of new Mac OS, and I really hope that Apple deals with this issue.



Pinch zoom on MacBook Pro unreliable with macOS Monterey

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