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Question: Trackpad not working in Preview after updating to macOS High Sierra

Hi,


after updating to macOS High Sierra the two-fingers scrolling between pages in pdf Preview stopped working. The weird thing is that:

  • if the Scroll between pages with 2 fingers option is on it does not work in Preview but it works in browsers (Chrome)
  • if the Scroll between pages with 2 fingers option is off it does work in Preview but it does not in browsers


macOS High Sierra 10.13.1

MacBook Pro Retina 2015 2,7 GHz Intel Core i5 8 GB


Any suggestion?


---- EDIT ---

Additional info:

  • when the Scroll between pages with 2 fingers option is on, it is possible to scroll between pages in Preview moving fingers up and down, but not right to left
  • when the Scroll between pages with 2 fingers option is off, both up-down and right-left scrolls work in Preview

MacBook Pro with Retina display, macOS High Sierra (10.13.1), null

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Answer:
Answer:

You might want to update to 10.13.3.

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Mar 14, 2018 10:16 AM in response to davide239 In response to davide239

Are you using Natural scrolling?


Restart the computer holding down the command - option/alt - P - R keys before the gray screen appears. Continue to hold until you hear the startup chime for the second time. You may need to do this 2-3 times.

Reset NVRAM/PRAM


Try a SMC reset. The article covers when this is required, but doing this will not affect anything.


Reset SMC

Mar 14, 2018 10:16 AM

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Mar 14, 2018 3:45 PM in response to Eric Root In response to Eric Root

Eric, thanks for your answer.


Yes, Natural scrolling is on.


I tried both NVRAM/PRAM and SMC reset, but the situation is unchanged: when "scroll between pages" is on, up-down pdf scroll works but right-left does not. When "scroll between pages" is off, both right-left and up-down pdf scroll work, but browser (obviously) does not.

Mar 14, 2018 3:45 PM

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Question: Trackpad not working in Preview after updating to macOS High Sierra