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Notification Center: Banners keep reappearing

1150 Views 6 Replies Latest reply: Jul 5, 2013 12:54 AM by SpeedyGonzales RSS
SpeedyGonzales Calculating status...
Currently Being Moderated
Apr 21, 2013 11:39 AM

I´ve a strange behaviour with notification center in 10.8.3 on mid-2012 iMac: I get notification banners for calendar events and birthdays by default – which is what I want. Sometimes, the banners reappear several times a day though I click them away (without clicking on „repeat“/„snooze“). They pop up every couple of minutes. I even get alerts for yesterday´s events popping up again and again saying the event XY will take place „yesterday“.

I wasn´t able to find anything related to this behaviour while searching the internet and the Apple forums, but I hope someone will have a clue what could cause this annoying bug.


Thanks in advance, regards, Till

iMac (27-inch Mid 2011), OS X Mountain Lion (10.8.3), 16GB RAM, 2TB HDD
  • Eric Root Level 6 Level 6 (13,850 points)
    Currently Being Moderated
    Apr 21, 2013 1:43 PM (in response to SpeedyGonzales)

    Do you have Notification Center set to Banners or Alerts. Banners should disappear automatically. Alerts have to be dismissed.

  • Eric Root Level 6 Level 6 (13,850 points)
    Currently Being Moderated
    Apr 22, 2013 10:35 AM (in response to SpeedyGonzales)

    From the Apple support article below:


    Tip: To dismiss an Alert or Banner without interacting with it, place the cursor over the banner and use a two finger swipe to the right.


    You also might try turning alerts and banners off, then on. Open the Notification Slide out, click the top entry and you should get an option that looks like this:


    Screen Shot 2013-04-22 at 1.30.31 PM.png

    If none of that works, I'd try turning each item off (set to Not in Notifications) in System Preferences, doing a restart and then setting the Notifications up again.



  • Eric Root Level 6 Level 6 (13,850 points)
    Currently Being Moderated
    Apr 22, 2013 12:25 PM (in response to SpeedyGonzales)

    Another thing you might try is if you have any 3rd party applications that are running, try disabling them or uninstalling them.


    Given the random nature of this the two suggestions below may not be practical.


    Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.


    Isolating an issue by using another user account


    You will have to set up Notifications in this account.


    Shut down the computer and then power it back up. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart. For each disable/delete, you will need to restart if you don't do them all at once.


    Safe Mode


    Safe Mode - About


    General information.


    Isolating issues in Mac OS X


    Troubleshooting Permission Issues



    Step by Step to Fix Your Mac


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