Magic Mouse keeps disconnecting from bluetooth

Hey Guys i had the same issue with my Mouse and Keyboard until i downloaded Memory Clean app. I have noticed as soon as i was low on memory for some reason bluetooth just keeps loosing connection. Its been a week no problems so far.

Also make sure that it automatically cleans your memory.

Hope that helps

I can't believe this thread goes on for over three years. Some of the suggested fixes are also really impressive. WiFi interference can be an issue with Bluetooth. I've only ever seen this in really crowded environments (e.g. conference or trade show) with WiFis going on by the hundreds. The symptom of that is consistently no Bluetooth connection at all. So that can't really be the cause of that many problems as described on this thread.

For me, the design of the battery compartment was the sole issue. Anything that can be caused or remedied by rattling stuff almost certainly is a mechanical issue, and can not be fixed by installing software. I did two things:

1. I put little pads made from repeatedly folded aluminium foil into the two holes for the battery prongs. Reason being that the prongs on the rechargeables I was using were just that little bit too short. Without these pads, the batteries would not make any contact at all.
2. As the prongs now juuust about make contact, but moving the mouse around, or tapping it onto the desk would still cause a movement of the batteries and interrupt the contact. So I folded a little piece of paper, and put it between the battery cover and the batteries to increase the pressure and keep them in place.

With these two measures, I get a stable connection.

Use apple rechargeable batteries.

Clean the contact points from time to time.

Enjoy.

Been having these disconnect issues for some time - since I started using Eveready brand, in fact. Switched to Energizer Max, basically +ve terminal is flat vs pointed in the Eveready - much more solid connection since. What a funny quirk. They didn't sell Apple Rechargeable batteries in the premium reseller I went to, otherwise would try that.

Thanks for solving the mystery for me. Magic mouse began loosing connectivity every few minutes once I changed to batteries to rayovac.

Cleaning did the job! Don't know why I never thought of that, but thanks a million!

Has anyone found that 10.10.3 has helped?

I was able to do the Command-Option-P-R and repair the bluetooth. Thanks for the help.

This may be a strange one but I actually grabbed a Q tip and cleaned the positive connecters. I noticed they where a tiny bit grimy. I could have been battery acid. I got alcohol and cleaned it all up. I did this after reseting my P RAM and deleting my bluetooth pref. All is well now : D

All this discussion about the batteries or battery cover being loose or using different kinds of batteries that are slightly larger or smaller seems unlikely to be the issue, guys. I mean, sure the PalmPre phone did a comically bad job at retaining batteries well enough to prevent power interruption, but APPLE? Hmm...this would be a class-action lawsuit by now, wouldn't it?

More likely, it's one of the issues described by the following two articles:

http://ihealthgeek.com/2015/02/yosemite-10-10-2-wifi-and-bluetooth-finally-solve d-no-really/

http://apple.stackexchange.com/questions/157357/yosemite-magic-mouse-and-a-bluet ooth-disconnection-party

R,

Bill

This thread talks about using a piece of paper or cardboard between the battery door and the batteries to prevent the disconnect from occurring however, I've found that there is a simpler, more permanent solution. I scratched the battery contacts and battery ends with a small file. Nothing major, just some little scratch marks to help with the electrical contacts. Voila! No more disconnects!

ALL of the 'solutions' listed are work arounds and not solutions. Some work for a while giving false hope of reliability. For as much as APPLE charges for Macbook Pros and Magic Mouses, I EXPECT A LITTLE BETTER QUALITY AND RELIABILITY THEN WHAT THEY ARE GIVING! I even bought another mouse only to be disappointed on day one. Unless they address this issue with an engineering fix, I may go to Linux on my next CPU. I'm using the recommended lithium batteries and have tried different brands.

Hi all, after reading this log, I decided it was a battery connection problem. I had some blank cards one might use to learn vocabulary (3 1/2 " x l 1/2 " ). I took out the batteries, placed the card across the center area, replaced the batteries and wrapped the remaining card around the top of the batteries. Then I replaced the cover. Voilá NO DISCONNECTS.

I've tried a new mouse, the recommended bateries and it all failed. I added a usb bluetooth adaptor and it hasn't dropped in 3 weeks.

It seems Apple is using substandard internal bluetooth components.

What did not work for me were the bluetooth/airdrop approach, rebooting, cleaning contacts, changing batteries, deleting bluetooth from Networks.

What seems to have done the trick was to fold a post-it and stick it between batteries and the cover (so the batteries can't move).

It's worth a try if you're desperate.