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wireless Apple keyboard stalls requires restart

Since update, the keyboard/typing occasionally stalls and shows me alternate letter options, and there is a kind of fluttering key sound, like someone is pressing my keys. The only fix is to restart. Happened in Preview and in Firefox and in LibreOffice. Can't figure out a cause, but it works for a day, then starts up again. I restart because I fear a kernel panic (paranoid).


My desktop is not on wifi.

iMac (21.5-inch, Late 2013), OS X El Capitan (10.11)

Posted on Oct 6, 2015 9:16 AM

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Posted on Oct 13, 2015 1:29 PM

I have exactly this same problem. Seems to only happen sometimes after iMac (2015 5K) has been asleep.. comes back and I can enter password OK and everything looks normal until you start typing. Never had a problem with Yosemite - only El Capitan.


I then experience


  • excessive keyboard lag where keypresses dont appear for ages, if at all
  • lots of 'binging' - as if you've just held lots of keys down


ALready been onto apple support once - not much use 😟


I tried killing off all apps and extensions - no change. Disconnecting the keyboard via bluetooth doesnt help either.


Only a reboot fixes it. I am running AVG anti-virus so I'll try to disable that and see if it makes a difference

69 replies

Nov 7, 2015 11:55 AM in response to Builder1

Well, I don't let my computer go to sleep anymore and won't until there is a definite fix. The display is turned off after 15mins, but the computer and hard disks don't sleep. It's not a problem for my desktop, but might not work for those with laptops. My laptop is still in Yosemite.


I also disconnected my trackpad when the troubles began, but I think its some relationship between Bluetooth devices and sleeping/wake from sleep.

Jan 20, 2016 11:31 AM in response to muskyteaser

This issue is STILL NOT ADDRESSED in OS X 10.11.3!!! I'm beginning to think that we are going to have to buy the new trackpad if we want things to work properly. The Magic Trackpad (previous version) is the issue, at least for me. Everything works perfectly when the Magic Trackpad is removed from my system. With the Magic Trackpad on and connected via Bluetooth, goofiness returns.

Jan 20, 2016 1:05 PM in response to Cliff Gerber

It apparently has not been addressed in 10.11.4 either as I installed the beta and still have the issue. In my case I use both Magic Mouse and Magic Trackpad. If I turn either one off the problem goes away instantly, but when I have them both turned on the issue comes back immediatey. Sometimes I can go days without the issue happening, other days the only way I can solve it is by rebooting. I'm pretty sure it's a software issue, because it never happens when I am running Windows 10 thru Bootcamp. IT'S MADDENING!!!!

Feb 16, 2016 9:42 AM in response to Cliff Gerber

I too have switched off my trackpad (didnt really use it that much anyway) and the problem has gone away.

I did read a post on the apple developer forums that it might be proximity related ie when trackpad and keyboard are next to each other... but havent tested this yet.


Pretty poor show that you have to switch off one piece of uber-designed-apple-goodness just to make the other bit work.


Oh well!

Feb 23, 2016 5:05 PM in response to eneisch

I have a late 2014 27" 5K Retina iMac, experiencing the same Apple Wireless Keyboard issue. I too am running OS X 10.11.4 Beta 4, and the problem still persists. This issue started with OS X 10.11 and has persisted in all versions so far.

This is not a solution, but does seem to get around the keyboard issue. I have found that waking from sleep with the Magic Trackpad or the Magic Mouse seems to avoid the problem. The only time this issue seems to happen, is when I use the Apple Wireless Keyboard to wake the 2014 iMac from sleep.

Mar 3, 2016 1:31 PM in response to fuzzymo

Same problem, late 2014 27 5K Retina iMac. OS X 10.11.4. beta 5. Also started with 10.11. Usually waking from sleep with my Apple wireless keyboard.

I will try waking from sleep only with Magic Mouse or Magic Trackpad. I think that problem is Magic Trackpad. When I turn it off keyboard start working normally.

wireless Apple keyboard stalls requires restart

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