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mac sometimes does not respond to clicks

1412 Views 9 Replies Latest reply: Mar 20, 2013 6:50 AM by henglein RSS
Konstantin Level 1 Level 1 (20 points)
Currently Being Moderated
Dec 25, 2012 7:42 AM

Dear all, I searched the forum and the web already about it but the suggestions there (pram, smc reset) do not help or the threads only contain problem descriptions and no solutions.

 

So the problem is, whenever I click on any object on my mac, either a file, an app or something in my browser, just to activate this text field to start typing for example, it often does not respond at first click at all but needs a second one.

 

I used mountain lion for quite a while and i know for sure that the behaviour was different before but i have no idea what changed to give this problem now.

 

Best regards

MacBook Pro, OS X Mountain Lion (10.8.2)
  • Topher Kessler Level 6 Level 6 (9,305 points)
    Currently Being Moderated
    Dec 25, 2012 9:10 AM (in response to Konstantin)

    Do you have any third-party driver software you installed to either manage a secondary mouse (e.g., one from Logitech) or enhance the input of your Apple-provided mouse? If so then remove this software and see if the problem persists. If you start your computer in Safe Mode (hold the Shift key at startup), do you see the problem continue when in this mode?

  • Topher Kessler Level 6 Level 6 (9,305 points)
    Currently Being Moderated
    Dec 25, 2012 2:35 PM (in response to Konstantin)

    Safe Mode turns off many extensions that add functionality to the system, including graphics drivers, so the system will be slower when in this mode, but it does help determine if a third-party extension (which will be off in this mode) is responsible for the behavior.

     

    Try creating a new user account in the Users & Groups system preferences, and then log into this new account to see if the problem persists there (you can always delete the account when done, and doing this will not harm your current files and settings). This will help indicate if a problem lies with a setting used by your user account.

  • Topher Kessler Level 6 Level 6 (9,305 points)
    Currently Being Moderated
    Dec 26, 2012 6:45 AM (in response to Konstantin)

    Mouse behaviors are stored in the account's "General" preferences file, which is a hidden file in your account's preferences folder. Odd settings in this file may result in the problem, so try clearing it by running the following command in the Terminal:

     

    defaults delete -g

     

    Follow this by logging out and logging back in to your account.

     

    This settings file does contain some details such as your recent places, language and location settings, custom hotkeys, and similar items, so these will be lost; however, they should be relatively easy to set up again.

  • Eric Root Level 6 Level 6 (13,900 points)
    Currently Being Moderated
    Dec 29, 2012 10:40 AM (in response to Konstantin)

    Do you have a mouse you could try?

     

    You might want to try this:

     

    Apple Hardware Test: http://support.apple.com/kb/PH11342

  • henglein Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 20, 2013 6:50 AM (in response to Konstantin)

    I have recently experienced the same problem with my MacBook Air.  Intermittently, clicks wouldn't register, whether input by tapping or clicking on the trackpad or through an external mouse.  Apple's hardware test, various software checks didn't shown anything wrong.  Most amazingly, the effect has been subsiding: With a few days having passed, clicking works almost normally again.  I am wondering now whether moisture entering the internal USB controller could cause clicks not registering.  In that case, barring disassembling the machine, a combination of patience and keeping it in a warm, dry place might be worth trying.

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