Sequoia upgrade causes external mouse issues on external monitors?

Following the upgrade from Sonoma to Sequoia, my external mouse is drifting. This only happens with the cursor over the external monitors, which are connected through a docking station.


The computer: Macbook Air, with Apple M2 chip, 24 GB memory.


The mouse: Apple mouse, about 2021 vintage.


So far, I've tried:

  • Cleaning mouse optical area to ensure no debris is obscuring the sensor
  • Resetting pointers, including forgetting the mouse and reconnecting it
  • Rebooting machine
  • Changing pointer preferences for both trackpad and mouse
  • Reinstalling Sequoia


By "drifting" I mean that when the mouse is already moving, its movements are erratic, with a tendency towards the middle point of the two external monitors (it moves in different directions on different screens). The cursor does not move unless the mouse does, but a small up-and-down motion creates a significant side-to-side motion. There appears to be a slight bias for upward motion as well.


The only thing that changed causing this to happen was the upgrade from Sonoma to Sequoia.


Is anyone else having this issue? Thoughts on a solution? I'm tempted to do a clean install of Sonoma to roll back the upgrade, but that feels like going nuclear.

MacBook Air 15″, macOS 15.0

Posted on Sep 25, 2024 12:59 PM

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Posted on Oct 14, 2024 7:03 AM

I had the same issue after upgrading to Sequoia. MacBook Air M2. Apple mouse, 2 external 4k Dell monitors attached via a Minisopuru dock. Only affecting one of my 4k monitors. The dock requires DisplayLink drivers. I had been suffering for a few weeks but then read the post saying it could be to do with DisplayLink. I just upgraded from DisplayLink v1.8 to v1.10 and it's fixed.

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Sequoia upgrade causes external mouse issues on external monitors?

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