Currently Being ModeratedFeb 2, 2012 7:59 AM (in response to valfromottawa)
My feeling is that it is the shape of the battery tips - not the material or the color.
Currently Being ModeratedFeb 4, 2012 12:38 PM (in response to Dana Spiegel)
After messing with this for months, I broke down and bought a new mouse from Apple. Set it up and.....same problem.....Bluetooth kept coming disconnected and then reconnected. I finally decided to call Apple Customer Service knowing that I was going to pay for the service help. It was either that, or go to a less capable mouse either wired or Bluetooth.
It took a while to get my case moved up the chain to the tech guy, but he walked me through a number of steps starting with resetting the PRAM. (shut down and restart then immediately press and hold the Command-Option-P-R keys before the gray screen shows up. Continue holding unti the computer starts up and you hear the chim start-up sound TWICE. Then release keys)
After that, we deleted the Bluetooth prefs file from the system library (com.apple.Bluetooth.plist) and tossing it in the trash followed by another restart.
Guess what? After two weeks, of continued use, the Bluetooth issue has not come back.
While these seem too simple to be true, all I can say is that it worked. While on the call, he did ask if it looked like my batteries were not seated correctly, so I am guessing this is an issue that they are working on and have yet to find a univeral problem.
Currently Being ModeratedFeb 15, 2012 10:44 PM (in response to Dana Spiegel)
Brand new Mac Mini and on my 2nd Magic Mouse. It keeps randomly disconnecting, I pick it up and give it a firm pat on the back to make it reconnect.
Currently Being ModeratedMar 12, 2012 6:19 PM (in response to Dana Spiegel)
I have around 30 Imacs that were running the magic mouse and all of them experienced the same random behavoiur.
We use the imacs in presentaions and have had to replace them all with wired equipment to solve the problem of them not being available at the right time.
Nothing worse than having to wait for the mouse to connect to move the the next cue -
Currently Being ModeratedMar 14, 2012 6:58 AM (in response to Michael Hassett)
Fixed this thing in the weirdest way - I noticed that the plastic sticker shrink-wrapped to the battery (duracells in this case) covered the positive end of the battery a little bit around the edge. Maybe a few millimeters. I peeled the sticker back around the positive end (so the whole positive face of the battery is exposed), and now it's fixed!
Currently Being ModeratedApr 21, 2012 11:17 PM (in response to coreyem)
I've had this prob with an older (home) AND a brand new (work) Magic Mouse. Seems to be a consistent manufacturing fault.
I have found that replacing the batteries significantly improves this but today I had the problem persistently with my older home MM. I use rechargeable batteries (NiMH) and for the most part I haven't had probs with using them (apart from them dying quicker than regular batts). After replacing the batts a few times today I still kept having the dropoff problems. As a last resort I cleaned the terminals inside the MM (with just my T-shirt and elbow grease) and the problem has completely gone (for now). Dropping it a good 1-2cm has no effect!
Just thought I'd share. :-)
Currently Being ModeratedApr 22, 2012 12:18 AM (in response to Nick Radonic)
Putting in small pads of aluminum foil into the battery tip holes, in the mouse battery compartment, seems to have totally fixed the intermittent dropout behavior. So much so that when the batteries died (without interruptions until they were flat) I had forgotten about the foil and it dropped out as I removed the old batteries. The foil makes a better contact with the battery, and reduces the depth the battery tips have to go through the plastic. As well, it is rough and the tips don't slide around now. Apple could stand to redesign the metal plate at the battery tip side.
Currently Being ModeratedApr 22, 2012 10:43 AM (in response to Dana Spiegel)
I've had this random disconnect problem with my less than 2 year old magic mouse for a few months. The only fix I've found was to take the battery cover off and leave it off. Somebody else suggested this (in another blog) and it's worked for me.
Currently Being ModeratedMay 29, 2012 9:38 AM (in response to jeremko)
So far, that's working for me.
I have been demented with constant disconnects and so have been keeping a wired mouse on the desk, always ready to swap. Different types of batteries and cleaning terminals did not provide a solution.
– Those recessed positive terminals seem incredibly stupid. How did Apple let them pass? –
So from now I'll use the expensive Mouse without its bottom plate.
Currently Being ModeratedMay 29, 2012 10:22 AM (in response to davidboyd)
Try it with a blob of aluminium foil in each recessed +ve socket. I've found that drop outs pretty much disappeared when I started to do that. I suspect the door keeps some dirt out of the sensor area.
Currently Being ModeratedJul 17, 2012 5:11 AM (in response to Nick Radonic)
Adding a foil amazingly improved the situation, can't believe it. The disconnect problem was not there in the first 6 months with the new iMac but became more and more often in the last 3 months, especially when the mouse is lifted. Today, following the advice of foil solution, I can say it is gone.
Currently Being ModeratedJul 26, 2012 7:34 PM (in response to imac_user_ming)
I find the problem lies with the battery size itself.
Although it is AA batteries the batteries itself comes in slightly diff sizes. Choosing the slightly bigger ones seems to work better. I don't recommend adding foil as that will stretch the insides more and cause further disconnection in the future.
Energizer recharge brand battery size seems to work perfectly.
Currently Being ModeratedJul 30, 2012 7:43 AM (in response to Qida)
Same for me - I found that Energizer batteries were just that fraction longer than Duracell or the Sony batteries I had been using - works fine now for keyboard and mouse.
Currently Being ModeratedAug 7, 2012 11:24 PM (in response to Dana Spiegel)
Yup, I am now on my third mouse and pretty annoyed that the last two must have been fine!
The tin-foil fixed it, easy.
Just fold some up so its a couple of mm thick, then place under the negative side of the batteries in order to make the batteries a tighter squeeze.
Can drop it, wobble it, slam it and thump it and it never disconnects... previously if I move the thing too quickly it would disconnect.
Currently Being ModeratedAug 8, 2012 12:18 AM (in response to Dana Spiegel)
just want to let you know, that the disconnect problem have been totally resolved for me. The real root cause was another non-Apple bluetooth device, namely a Logitec Bluetooth keyboard. After this was replace with a non-bluetooth wireless keyboard, the mouse was absolutely stable.
My take is, that the Magic mouse simply creates a lot of bluetooth traffic when you move it fast. This conflicts with other bluetooth signals and crashs the connection between the Magic Mouse and the computer. So it looks like it is correlated to mechanical movement of the mouse - but it is not! At least it was definitely not in my case.
Therefore, I recommend that everybody who has disconnection problems with the Magic mouse even after the mouse was replaced, should try to eliminate all other Bluetooth traffic connected to the same or nearby computers.