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I am running Snow Leopard 10.6.8 on an early 2010 15" MacBook Pro. After restarting from scratch (what I don't do often usually) my trackpad is set back to "click" instead of "touch".

This started happening lately and I suspect this came with an update.

Is this a known bug and/or is there a solution to this?

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    Maybe OS X is trying to tell you that you shouldn't use tap-to-click because click-to-click is inherently better? (This is intended as a joke, but I do prefer click to tap.)
    – Cajunluke
    May 31 '12 at 19:45
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The symptoms you describe are caused by the preference not getting saved to disk. Sometimes the cause is that there is a problem with the file permissions (as per thaatz's answer). Another possibility is that the preference file somehow got corrupted; if this is the case, you can move the preference file (I think the relevant one is ~/Library/Preferences/com.apple.driver.AppleBluetoothMultitouch.trackpad.plist) from its location: this will cause the preference file to be recreated. Of course this will work also for other preferences (though identifying the correct file isn't always as easy); remember to keep the file around (instead of deleting it) so you can restore it in case this fix doesn't work.

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    As mentioned below this solved the problem. Thanks! Jun 10 '12 at 14:31
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Perhaps it is having problems writing and saving your settings due to some sort of permission error. Have you tried verifying and repairing disk file permissions? (use disk utility)

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  • +1 and thanks for the tip. I tried it but unfortunately it didn't help to solve the problem. Jun 9 '12 at 8:42
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    it's probably this. If repairing permissions didn't help, try moving away the ~/Library/Preferences/com.apple.driver.AppleBluetoothMultitouch.trackpad.plist so it gets recreated.
    – Agos
    Jun 9 '12 at 12:09
  • @Agos Is this setting about the external trackpad? My problem is about the build in one... Jun 10 '12 at 11:52
  • @Agos I tried to repair the disk file permissions and restarted but it didn't help. But your suggestion worked. Why don't you turn your comment into an answer? Jun 10 '12 at 12:26
  • @user12999 glad it worked. I added an answer below.
    – Agos
    Jun 10 '12 at 13:58
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Your trackpad settings are not applied in the login screen, log into an account an they will be restored to that accounts settings.

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    Right, it's an account setting - but it doesn't work after I logged in May 31 '12 at 6:18
  • Hmm that's strange, maybe you're experiencing some sort of bug. May 31 '12 at 8:04
  • Hm yeah, that was part of my questi Jun 2 '12 at 22:27

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