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Bluetooth problem with OSX Yosemite: Magic Mouse and Keyboard

Hello everyone,


I've a problem on my MacBook Pro with Retina Display 13" (late 2013).

I've always used it plugged with an external monitor (I love double screen), magic mouse and bluetooth keyboard. On Mavericks everything was perfect with this setup.

Yesterday I installed OSX Yosemite and I've found a boring problem: my Magic Mouse and my Bluetooth Keyboard have a 0.5 second of latency, lag. This happen when the Macbook is not plugged with battery charger. When he is on charge, the problem don't exist.


I noticed this bug also on the public beta of this summer and submit the feedback.

I hoped that they fixed this before release but the bug is still here.


How can i solve this boring problem?

MacBook Pro (Retina, 13-inch, Late 2013), OS X Mavericks (10.9)

Posted on Oct 18, 2014 7:03 AM

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Posted on Oct 18, 2014 1:04 PM

I also reported this issue again and again during each beta release.


This makes the MacBook basically unusable in battery power for doing any kind of design and coding work.


I don't have any bluetooth addons or third party utilities. I also tried clearing PRAMs, and reinstalling Yosemite, to no avail.


Here are some threads about the issue, which, I'm noticing, is common.



Note that while the issue is kind of tolerable using the mouse, it's tragic with the keyboard.


Does this prevent you from using OS X Yosemite?

The issue makes it very difficult for me to use OS X Yosemite


For the report, here are the issues I submitted about this using the feedback assistant:

#116709, #128648, #129129

#132546, #391247

437 replies

Oct 20, 2014 11:03 AM in response to zenojevski

I am having the same issue since I installed Yosemite. My mouse is not an apple mouse, but it has worked fine for the past 4 years (good mouse in my experience). It is a Sony VGP - BMS30 Bluetooth mouse. Every time I open my computer, I have to restart it in order to get the mouse to connect from scratch. I have to erase the connection before I do by the way. I hope they solve this issue ASAP.

Oct 20, 2014 5:29 PM in response to O00Dany00O

I'm having the same problem with the 'stutter' effect of Bluetooth. Apple wireless keyboard and mouse, Bose Soundlink speaker. 0.5 - 2 second intermittent disconnect. Initially thought is might be part of the Apple/Bose stouch but it is happening with the Apple devices too.


The only solution I have found is, as Ricardo said in an earlier post, removing all the Bluetooth devices, restarting the Mac then rediscovering the devices. Having to do this daily at the moment. A real pain.


One interesting addition. My MacBook Pro has discovered itself as a device and is now trying to pair with itself. Just wondering how and why that might be?

Oct 21, 2014 2:15 AM in response to O00Dany00O

Hi folks


After upgrading my iMac (27", Late 2012) and my son's MacBook Pro (Retina, Mid 2012) over the last few days, we experienced this lag on magic mouse and wireless keyboard, i.e. bluetooth devices, on the MBP. The iMac was fine.


The good news is - I've cured it.

The bad news - yes, it took a long time!


I tried all the stuff on forums and nothing provided a fix, not even a temporary one. Then I raised a call/had a chat session with Apple - here's what we did:

  • Disk Utility - select Mac HD - 'Verify Disk'
  • It found errors
  • Restarted holding Command-R, went into disk utility and fixed those errors
  • They fixed cleanly for me
  • Then, yup, I reinstalled the OS
  • and waited
  • and waited
  • And re-started
  • And let it all settle down.

Result! The MBP now has no bluetooth device lag.


So, sorry guys, you might not like it. However, it looks like a disk fix and OS reinstall is really the quickest way to fix this issue. You could spend 2 hours doing this, or many more hours searching forums for tweaks and tests. It might seem a bit of a sledgehammer to crack a nut, but hey, if it works, so be it.


Hope it helps others.

Bluetooth problem with OSX Yosemite: Magic Mouse and Keyboard

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