My magic mouse disconnects since upgrade to Yosemite upgrade

Since the upgrade to Yosemite my bluetooth magic mouse looses connection frequently. I have put in new batteries (the old ones were still good and working in something else), deleted then repaired the mouse. Nothing works. The problem is frequent and once it disconnects it usually takes two to three tries to reconnect and often requires a restart to get it connected again for what feels like a rather short time. This seems to be a bug in Yosemite. Has anyone found a solution?

Not a "bug."
Try resetting the PRAM and SMC.
Barry

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Magic mouse disconnect after a minute

My Magic Mouse disconnect just in a minute after starting the system.
As per instruction I got, I have deleted the Bluetooth Preferences, deleted the mouse from bluetooth list and re added it, but the problem is still present, Mu mouse battery is full [more than 90%] and no any physical damage happned with my mouse.
The problem started when I put my I Mac in sleep mode for few Hours.
Please provide me the solution
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I think you have the same problem as we have:
https://discussions.apple.com/message/19269136#19269136

Magic Mouse disconnect wakes up my Mac

There seems to be a bug in 10.6.7 related to the fact that after my Mac goes to sleep. After a little while it'd wake up and display a "Connection Lost" message related to my Magic Mouse. Has anyone else noticed that? I have disabled the option of allowing this bluetooth device to wake up the mac and I'll see how that goes.

After becoming annoyed with the disconnecting magic mice after the upgrade to 10.6.7 - I tried the following and it seems to have corrected the problem. In my scenario I had two magic mice - one for the iMac and a second magic mouse shared between a MacBook Pro and a fairly new MacBook Air. Both mice had the same device name - which was never a problem prior to 10.6.7 - and both worked correctly - provided that I was careful to ensure that the shared mouse was not allowed to connect to the MacBook Air when it was being used on the MacBook Pro - and vice-versa.
1) I shut off both mice.
2) Opened Blue Tooth Preferences on all 3 Macs and deleted the existing mouse pairing for the mouse on each machine (iMac, MacBook Air and MacBook Pro).
3) Turned on the mouse on the iMac - and paired it to the iMac - and allowed it to receive it default name.
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5) Turned on the mouse on the MacBook Pro - and repaired it the MacBook Pro. Clicked on the gear in bluetooth preferences and renamed to mouse to "My MacBook Mouse".
6) Did not pair either of the mice to the MacBook Air (I assume this had nothing to do with the issue at hand and will pair the MacBook Pro magic mouse to the MacBook Air later.
Since repairing the mice - I have not experienced the disconnect/reconnect - to the best of my knowledge - and I was receiving it previously on all 3 Macs several times a day.
I suspect it is the deleting and repairing of each Magic Mouse that appears to have solved the problem. I don't believe that providing a unique name for each mouse had anything to do with fixing the problem. I will post back if I encounter the problem again.

Magic Mouse won't reconnect after Lion upgrade

Okay, I'll lay this out as quickly and consisely as possible.
I've searched every post and site I can find and tried everything suggested, and still no luck.
I have Mac Pro with an external bluetooth dongle, Magic Mouse, and I have just upgraded to OSX 10.7 Lion.
My Magic Mouse has always reconnected flawlessly to my machine after booting or waking, but after upgrading to Lion, it refuses to re-pair after booting or waking. In bluetooth preferences, I can see in the Devices pane that "Steven's Mouse" is disconnected, but every couple of seconds this will flash green and show "Connected" - but only for a half second - and then it's back to "Not Connected".
I've set BT setup assistant to open on startup, and only when I have manually deleted and re-paired my Magic Mouse using the keyboard does the Magic Mouse connect.
Then sleep and wake and I'm back to square one.
I have:
Restarted after trashing every bluetooth .plist file (~/Library/Preferences and also HD/Library/Preferences) - and bluetooth drivers
Sone several SMC Resets
Zapped my PRAM
Made my mouse a 'Favorite'
Deleted and re-paired it more times than I can count
Turned the mouse on and off
Clicked it
Double-clicked it
Kept clicking it
Turned it on and off
Triple-checked the batteries
Tested my mouse with another machine running SL
Tested another mouse with my machine
- All with no luck whatsoever. I'm about down to writing a suicide note or something!!!
Any help would be appreciated.
Steven
(BTW I'm 100% sure the issue is within the Lion system somewhere - not my hardware.

Hi, I had the same problem but it's fixed now. It seems that the order you turn mouse and bluetooth off and on makes the difference. This is what worked on my macbook pro (eventually!):
turn off bluetooth and mouse. Turn on bluetooth. Open system preferences. Open mouse. It starts searching. then Turn on mouse. Hey presto! (and much to my surprise) it found it.
It also worked if I left the mouse on, and turned it off and on after opening the mouse in system preferences and it had started searching. But if, for example, I turned on the mouse before opening system preferences,it was no go.
There is another issue: I (like I suspect a lot of people) switch between lion and snow leopard (Macbook Pro and Mac Mini respectively), and every time it has to be paired manually. I have found I have to use the entire process shown above with both OSs.
Also, the mouse has to be paired to Lion at every startup. I never have to re-pair the mouse with Snow leopard on startup (unless it's been paired to Lion in the meantime!).
I hope that some of this might help someone, even just a little.

Magic mouse disconnecting

I bought my magic mouse a few months ago and it was working great until about 2 weeks ago, it now decides to disconnect at random times, and the green light won't come on underneath the mouse meaning i have to turn my computer on and off several times to go through the stages to find it. also i am using brand new duracell batteries and there is nothing in the way between my mouse and imac.
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I've had my mighty mouse for about a year now and since I'm using an old G4, it seems to turn itself off everytime I start the machine. I check the Bluetooth thingy on the menu bar and it 'tells' me that bluetooth is powered off and now there is no way to turn it on. System preferences is no help since it's turned off and the on button is greyed out. The only way to get my mouse back was with the Bluetooth Setup Assistant which allowed me to turn bluetooth on. Unfortunately, when I did the last system software that I can do on this machine, the setup assistant was not in the utilities folder. Thankfully, someone was able to tell me where it now hides, system; library; coreservices. I copied it to the utilities folder and got my mouse back. Now I just have to remember to keep my wired 'original' mouse (no buttons) plugged in so that I can access the utilities folder when I need to. Or, I can simply never turn the machine off or restart.

Magic mouse and blue tooth issues after upgrading to 10.6.3

Hi,
After upgrading to 10.6.3 I am having the following problems on my iMac:
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Try reapplying the wireless mouse 1.0 update http://support.apple.com/kb/HT3936
http://discussions.apple.com/thread.jspa?threadID=2382651&start=83&tstart=1
http://discussions.apple.com/thread.jspa?threadID=2382651&start=102&tstart=1

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I have a 2009 MacBook Pro. I am trying to use it in sleep mode with an Apple wireless keyboard and a Magic Mouse. Everything appears to be connected fine. When I close the lid on my MacBook, I click my mouse and the external display comes on for a few seconds, then it cuts out and doesn't come back. I have the Bluetooth device can wake the computer up from sleep checked. When I have the MacBook open, the external display works fine. I only lose the external display a few seconds after I close the lid on my MacBook Pro.
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GaryKing, can you review how you reset the .plist files for both the Bluetooth keyboard and mouse?
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The mouse experienced the same issue if I'm downloading a lot of files, it will lag behind to the point where I'll drag the mouse to where I want it to be, then a few seconds later it'll pop up where it should, that's how bad the lag is. I thought perhaps restarting the computer will do, but no, and also everything is up-to-date so there are no updates to worry about.
GaryKing, if you can go over how you reset the .plist files, that would be much appreciated. By the way, it's past a week since your post, how have the Bluetooth devices been working? Did the reset solve the lag issue permanently, or was is just a temporary fix?

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Every time I close my laptop screen, even without restarting or shutting down the computer, the Magic Mouse is no longer working when I open up the laptop screen again. It wasn't doing this until I replaced the batteries when the batteries that were packaged with ran out of battery life. I have to turn the little button on and off and then go to Mouse and have it reconnect each time. I even changed it to a favorite, and that didn't help. What is going on?

My problem was quite different, but perhaps this will help you under different conditions and its worth a try, nonetheless.
I found that cleaning the battery contacts of both the magic mouse and the batteries themselves has eliminated my disconnect problems. I used a pencil eraser and rubbed the contacts with the eraser, then blew the crumbs out with canned air. Before doing this, I rubbed the pencil eraser on paper to get fresh, clean rubber.

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When the battery gets low on the mouse I turn it off, replace them but it doesn't reconnect.
I use the MacBook Pro in clamshell mode with the LED Apple screen, so I open it up to use the trackpad... then I go into the Bluetooth settings and it says the magic mouse is connected... I try disconnecting it, or even removing it but all I get is a beach ball... some lag and nothing changes.
Then the greatest thing of all happens... the trackpad stops working too.
Now I am stuck with just a keyboard... might as well go back to DOS.
You don't know how frustrating this is... especially because I love Apple... all I can do is force a shutdown... with all my data lost.
I really can't use a mac as my working machine if this continues. I was even considering getting an iMac too but if the bluetooth stops working there too, I don't have a trackpad.
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I have this same problem for my 07 iMac. It just started this summer (2014). Nothing I do will reconnect the mouse except rebooting and then it connects right up. When this happens the mouse will connect to my Macbook no problem, but just will not reconnect to my iMac unless I reboot.

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After upgrading to Lion my magic mouse failed to work. I plugged in an older USB mouse and thankfully it does work. It appears the System Preference for Blue Tooth no longer has my machine name in it, instead it has "Name not available" and the "On" check box will not stay checked when I reopen the preference. The syncing process "Set Up New Device..." doesn't seem to work either, it searches but doesn't find eventually the flashing LED on the mouse goes out.
I've tried to solve this but failed. I believe its something wrong with the installation of Lion on my iMac because I installed Lion on my lap top and the magic mouse WILL sync with it.
What do you suggest I do to remedy this situation?

Solved it myself. Re installed Lion.
Thanks Radio for your help

Magic Mouse disconnecting on Windows 7

So I bought the Magic Mouse a couple of days ago for my Dell Inspiron running Windows 7 64bit and I'm experiencing some problems.
Now I know that officially the mouse only works with Macs, but I loved it so much that I just decided to buy it already and see if I can somehow make it work. Looking back, I realize it was somewhat foolish on my part. But still, it's here and it's paid for.
Anyway, it paired just fine with my BT dongle (with a 0000 key), Windows automatically installed some drivers, and I installed one found on the internet.
Basically, it works as any normal mouse would, vertical scrolling and right|left click, with none of those 'special' features. I don't care about that tho, what bothers me is that it keeps freezing, or disconnecting, not sure what the right term is, every now and then. It just stops moving the cursor. I tried to time it, but once it disconnected after 20 min and the next after 5. I've been trying to make it work all day and it disconnected many, many times. Sometimes, it comes back after manually turning it off and then on again, other times, it takes up to 30 min.
I tried a number of things, updating the Bluetooth drivers, Windows tells me they are all up to date, restarting and switching off the PC, moving the dongle around, deleting and then pairing the mouse again. I even checked the power options, there was nothing related to the mouse there.
Any help would be appreciated.

I am in the exact same situation after foolishly purchasing the mouse, and have installed the drivers to allow the basic functionality to work with Windows 7. Just as in your case the mouse freezes every once and a while, usually after it has not been used for at least 30 seconds or so. I have tried all the same steps and have not yet been able to fix the issue.
Are there others out there, that are also experiencing this and are there any ideas what can be done to fix it?

Magic mouse disconnecting for a few seconds, pretty often

Wireless, changed the batteries so its not that.. getting annoying
Help please?

There are many posts about this. First thing I suggest is a smc and pram reset.
Also look at this discussion:
Magic Mouse keeps disconnecting from bluetooth
particularly around page 6.
Basically you may need to insert a small piece of aluminum foil into the battery compartment to keep them from moving around (or possibly a piece of paper to wedge them in).
You don't say what kind of mac you have. If it is a mac pro you might want to look over this discussion:
Poor Bluetooth reception and jerky mouse
Finally google search "magic mouse loses connection". Your problem is not unque.

My magic mouse won't connect to Yosemite 10.10.2 I've tried 2 different mice with the same outcome.

I have an early 2013 MBP with Yosemite 10.10.2. Connectivity with the magic mouse has steadily gotten worse, now it won't connect at all. I've tried connecting with two different mice, one about 5 years old and one about 2 years old, both with the same result. Any one else have this issue?

Hello rachste,
I'm sorry to hear you are having these mouse issues with your MacBook Pro. If you continue to have connectivity issues with your Bluetooth mice, you may find the information and troubleshooting steps outlined in the following article helpful (apologies if you have already seen it):
Troubleshooting wireless mouse and keyboard issues - Apple Support
Sincerely,
- Brenden

Magic mouse disconnecting while I'm using it.

My magic mouse which I purchased less that a month age at a cost of $75.00 CD is constantly disconnecting while I'm using it. This disconnect will last for about 10-15 seconds but it will happen over and over again. Also, if I'm away from the computer for a short amount of time, I have to re-start it because the mouse is disconnected…everything just dies. This never happened with my old mouse..I only had to tap it and everything would start up again. I would get a refund on it but I lost the receipt - so I'm stuck.
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Hi..I finally got a message saying that the batteries were low - so I replaced them. I bought the mouse less than a month ago and they were the original batteries but still, that's a bit soon for the batteries to run out. Is it preferable to actually turn the mouse OFF by turning off the green light on the back of the mouse, or does that happen automatically when you are not using the computer even though it's still on?
My computer is on most of the day even though I may not be actually using it. I don't want to have to replace batteries once a month. Also, the ones I have now are the rechargeable batteries…guess that ok.
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I have a 15" MBP Retina display from 2012, Lion 10.7.5, running lid closed with bluetooth mouse and keyboard. My desk configuration has not changed but in the last couple of weeks I get both devices disconnecting simultaneously, once or twice per day. The dashed bar disappears from the Bluetooth icon in the menu bar.
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My magic mouse disconnects since upgrade to Yosemite upgrade

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