Magic Mouse erratic on waking from sleep

Question

Magic Mouse erratic on waking from sleep

In the last week or so my Magic Mouse has started to become erratic on waking from sleep, with jumpy and delayed actions. Relaunching the finder, turning the mouse off , or disconnecting and reconnecting seems to resolve the problem.

I have no new devices in the environment that might interfere, I have installed no new software, I have trashed the bluetooth.plist file and restarted, I have made the mouse a favourite. I have no idea how this behaviour arose. I don't seem to have the same problems with the Apple wireless keyboard (late 2009 model).

Any help much appreciated.

Bob

Macbook 2009, Mac OS X (10.6.4)

Posted on Jul 17, 2010 10:58 AM

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Answer 1

Best reply

Barry Hemphill

Level 8

40,456 points

Jul 17, 2010 6:35 PM in response to websterrobert

Hi Bob:

Welcome to Apple discussions.

You have already tried several things that I would have suggested.

It is possible that the mouse is faulty/failing. I do not know of any software setting that would cause the behavior you describe.

Barry

P.S. If the mouse is less than a year old, I would take it to an Apple store (or call Applecare) with a warranty issue.

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Answer 2

Jul 20, 2010 5:06 AM in response to websterrobert

I called Apple support. They had me go through the SMC and PRAM resets, alas to no avail. I now have an appointment with a Genius later this week and will let you know the outcome.

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Answer 3

Jul 23, 2010 10:32 AM in response to websterrobert

Met with a Genius yesterday and they did replace the mouse.

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Answer 4

Aug 2, 2010 12:48 PM in response to websterrobert

Alas the new mouse still exhibits erratic behaviour on wake-up from sleep. For the time being I will resort to turning it on and off to restore stability. I am considering a complete system reinstall, but don't relish reinstalling apps, etc.

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Answer 5

Aug 6, 2010 1:10 PM in response to websterrobert

Well, things have gone from bad to worse. Today the Magic Mouse disconnected and I couldn't reconnect it. I then noticed that the Bluetooth menu only had one entry - a greyed out "Bluetooth - Not available". So now neither the keyboard nor mouse will connect. I have trashed the plist and restarted with no impact and the PRAM and SMC reset didn't work before. I guess I will have to try Applecare again, which most likely will mean another trip to see a genius. Not really convenient as the nearest Apple stores are 2 to 3 hours away.

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Answer 6

Aug 6, 2010 1:16 PM in response to websterrobert

Me again. On a whim I reset the SMC again and it worked. So all Bluetooth is now functioning. Hopefully this won't be a regular event. I'll see how long I go before the mouse becomes erratic again - hopefully never!

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Answer 7

Aug 6, 2010 1:22 PM in response to websterrobert

Thanks for the feedback. An SMC reset should certainly not affect a BT module, but anything is possible in the wonderful world of computers.

Barry

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Answer 8

Aug 7, 2010 4:49 PM in response to websterrobert

For what it's worth, my Magic Mouse was erratic again on waking from sleep. I am beginning to develop an intense dislike for Bluetooth although I am too invested in it to reject my Bluetooth appliances. 😟

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Answer 9

Aug 8, 2010 4:38 AM in response to websterrobert

Hi W:

Although it is a long trip, I think I would take everything (computer and all) into the Apple store. It is possible that the problem is in the internal BT module. I have all BT devices and do not have a magic mouse problem.

Barry

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Answer 10

m0i

Level 1

0 points

Aug 16, 2010 2:26 PM in response to websterrobert

hello robert,

I think I'm having the same problem. For me, my magic mouse and my trackpad would start their erratic behavior after waking from a sleep. You didn't mention anything about your trackpad, are you using a macbook or an imac?

I also tried several things and the problem still comes back. I even did a complete system reinstall and the same happened.

I'm starting to thinks it has something to do with the fact that I changed my hibernatemode from 3 (default) to 0 (see http://www.macworld.com/article/53471/2006/10/sleepmode.html).
and I'm wondering if you did something similar to your system, it may be the root cause of the whole thing.

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Answer 11

Aug 17, 2010 5:42 AM in response to m0i

I have a Macbook so I don't use a separate trackpad. I haven't changed my hibernate mode and checking just now from Terminal it confirms I am in mode 3 which is the default. As has been suggested I might have to drag the whole set-up to the Apple store for an answer.

Bob

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Answer 12

adanilov

Level 1

0 points

Aug 21, 2010 1:43 AM in response to websterrobert

Hi Apple,

Having the same problem. After waking up my macbook pro magic mouse would not connect. Sometimes powercycling the mouse would help, sometimes the only option to reconnect it is to reboot my mac.

This behaviour started only recently - probably after some sort of os update.
I didn't change any settings for sleep mode.

This is very frustrating - please help!

Alexey

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Answer 13

Sep 30, 2010 10:34 AM in response to websterrobert

A brief update. Although I have changed nothing overtly, my Magic Mouse has now almost entirely stopped with the problems at wake-up - not entirely, but quite rarely. Go figure.

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