Magic mouse erratic mayhem!

My magic mouse is posssesed! it seems to be playing back a sped up record of mouse moves or has a virus. I searched and tried: restart, Pram reset, remove the com.apple.driver.AppleBluetoothMultitouch.mouse then restart. Tried a USB mouse same erratic result!. replaced batteries.
Restart with all USB unplugged and magic mouse turned off and bluetooth off, and tried the USB cord mouse. Seems to be working on USB cord mouse, retried the bluetooth magic mouse and get same erratic result, no control at all, but USB cable mouse works fine.
Cannot restore the magic mouse so I have it off and using a corded mouse.
27" iMac mid 2011 2.7ghz intelcorei5 12Gb ram.
Thank you for your help

Sounds like a problem with the Magic Mouse. You'll need to contact Apple about that. If it's within the warranty period and the mouse doesn't have any evidence of abuse, they should replace it for you.

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Magic Mouse erratic with BT Apple keyboard

I just bought a new 24" ACD, and a the wireless Apple keyboard (the small one). Immediately, I noticed my Magic mouse behavior erratic. It was lagging, stuttering, and all around a mess to deal with. I reset the PRAM/SMC (old standards), I deleted the mouse and keyboard, then paired them again, restarted. It seemed to work fine for a while, but then again it comes back. Could it be interference with the wireless keyboard? Besides the 24" ACD the only change was the wireless keyboard.
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It seems to only happen when I'm using the display as my main display (with my MBP lid closed). When I use the display to extend the desktop (while my 15" MBP is open), the mouse works fine. I've tested everything I could think of, and only can replicate the issue when my MBP is closed.
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Personally, and this is just my opinion and advice being stated here, but depending how much you use Photoshop and what you use Photoshop for, I would forget using Apple's Bluetooth wireless mice (and, perhaps, forget their wireless trackpad, although I have been told its tracking is much better than the wireless Magic Or Mighty Mouse) and stick to using a third party wired mouse or wired trackpad or even older IR remote wireless mice or trackpads as most IR wireless input devices track better and have better resolution.
I found Apple's Magic Mouse frustrating and terrible with all but more expensive higher grade batteries designed for high drain electronic devices.
And sometimes would not pair with my IMac or work erratically, too!
I return it within 14 days. I like the way it looked, but not how it worked.
I used to use IR wireless Microsoft and Logitech mice that tracked and worked real well.
I just, recently,purchase the Mac version of the Logitech Bluetooth Wireless trackpad and so far this works excellent with normal computer use, but haven't really tested using this for all my design and image editing apps, as yet.
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Magic Mouse erratic tracking

Hello
When I'm working my palms get warm/sweaty, not dripping sweaty but enough to give off a tiny bit of moisture on the tracking surface (not visible or measurable). The result is that Magic Mouse gets a rather erratic tracking. Very annoying and makes the mouse totally useless. This occurs weather it's on the table or the pad.
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Hello a:
I have not had the behavior (or heard of it either) but I do admit that my palms appear dry all the time. There is no setting that I am aware of that would cause that behavior.
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My magic mouse behaves erratically with intermittent problems - slows down, right click doesn't work, disconnects for a few seconds then reconnects. Anyone suggest what I could do to fix this?

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I just figured out the print quality issue for my wife with her new iMac and new printer.
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If you go into the print utility from the Printer and Scanner system preference and under the general tab you should have driver 5.5.
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https://discussions.apple.com/message/15947486#15947486
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Erratic magic mouse behavior

Will anybody ever be able to decipher what the specific causes are for the erratic behavior of Apple's Magic Mouse? Personally I think it boils down to the Bluetooth Signal itself that can cause a lot of this erratic behavior, like in sudden sluggishness of movement. I see this behavior comes and goes as if some invisible force has suddenly intervened. My best guard against erratic behavior is to have the computer as close to the mouse as possible, even a foot or two. The further out the computer gets the more erratic behavior is likely, but like I said, even then it "comes and goes." Do you think it is the Bluetooth signal itself, because sometimes when it's become erratic I move the computer around, even which way it faces in relation to the mouse and I can suddenly "lock on" and the mouse returns to normal, only to have it start acting up again in a few hours or later on in the day or week or whatever. That's why I say the signal itself is suspect because I can effect the behavior by moving the computer around. Maybe the signal is effected by other components in the room like my TV or Audio Equipment or WIFI signals or remote controls.
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Hi, thanks for the reply. Yes I'm running Yosemite 10.10.3. I'm certain much of what you posted is definitely a likelihood for some of the issues. I have a lot of electronic equipment in this house, and yes, smart tv's connected to WIFI as well as other computers throughout the house. Apple of course does not mention any of this as possible issues as far as I know, the public, like myself, just assumes all will be wonderful. I know there are more like me out there if I'm having these consistent problems with all the Magic Mouses' I've owned. It really is attacking it from the SIGNAL side of things because I think that is the only issue that's going on. If it were addressed more, maybe even scientifically, maybe we could say, "well don't put it here, this can cause problems, and that TV, keep such and such a distance." Those are the types of guidelines that would be so helpful. But from what I'm seeing none of that is addressed at all (or for the most part). Anyway, I really want the wireless mouse world (specifically the Magic Mouse) to thrive. Every time I hook up a wired mouse I really feel the step back I'm taking and it's too painful! I've even went to the point, and I'll do it again if need be, of having my computer (Mac Mini) 2 inches from the Magic Mouse, that's when it operated at its very best. My only problem with that is it's somewhat impracticable, and I really don't think I should have to do that to have it work consistently. Anywho, my two cents worth.

Magic Mouse very erratic in mapping apps

Hi all, I have found Magic Mouse to be very erratic in mapping apps and at map web sites online. I think this is an over sinsitivity of the touch area. Usually these map apps and sites let you zoom in and out with your scroll wheel. What I am finding, when I click the map to pan, the map will zoom in and out rappedly. I imagine this is because of the pressure I am using to keep it clicked in to grab the map. And that a slight change force at the finger tip makes the thing assume I am scrolling.
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I discovered this.
By keeping three (3) fingers on the mouse (Magic Mouse), mapping software will ignore scrolling input.
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Magic Mouse barely/erratically tracks on any surface..

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Hello s:
Actually my magic mouse works best on a mouse pad.
Try trashing a preference file (com.apple.bluetooth.plist) and restarting (probably not the problem). If that does not help, take it to an Apple store (test on their systems) or call Applecare for a replacement.
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Erratic Magic Mouse (jumps accross screen precisely every second)

The title sums it up really. Every second (on the second) the cursor will jump very slightly on the screen. Probably only about 2 or 3 millimeters. It's annoying, but it's not a huge deal.
What IS a huge deal is when the mouse decides to jump the cursor to a random point on either of my two screens. Extremely annoying especially if the second screen isn't even turned on and it jumps over there.
What I've noticed is that it seems to do it more frequently when there is a higher load on the system. With a 'normal' workload (internet browsing, skype, listening to music etc) it will do this big jump approximately every minute. But when there is a high load, like when I'm trying to play a game it will happen every couple of seconds, rendering most games totally unplayable! (The number of times my character has ran off the edge of a cliff because of this is maddening).
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I don't believe this. I've just spotted this post by user Ratzelda. He says that it's an issue with having dual (or multiple) monitors connected but powered down. I hadn't noticed any change in the mouse's behaviour when using the second monitor, but out of curiosity I just switched it on and sure enough the mouse is behaving normally now!
That explains why the mouse didn't respond erratically when I took the iMac to the Apple Store, because I didn't take my second display with me.
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Crazy movements of the magic mouse and lost precision. I swip on my shirt or I the start again my MacBook Pro, the problem continue. During this time , the pad run correctly et my Bamboo pen too. I have the same problem with my Magic TrackPad and my Mini, in other room. Anybody has a solution ? Thanks.

Thank you for the star. I'm wondering if you have seen this Apple document?
Wi-Fi and Bluetooth: Potential sources of wireless interference

Magic Mouse responding erratically

My Magic Mouse is behaving very slow in some instances or stops, or does not responds. Batteries are full and everything in my Mac Pro 1,1 has worked perfectly from day one, this is something new.
Any advise will be greatly appreciated.
Thank you.
Beltran

What kind of base/pad are you using? Make sure it is clean and not a shiny surface.

Bluetooth Apple Magic Mouse jumps and moves erraticlly on screen

Hello,
I am having problems with my Magic Mouse (cursor, pointer) jumping around on my screen when i attempt to use it. I checked preferences and the connection is fine. Has anyone else experienced this? And if so how do we remedy this annoying problem?

I was about to post this same question and then I found this thread.
Magic Trackpad was working great, I love using it.
Then one day after a week or so of use it starts acting erratically.
I assumed it was the batteries (although still above 70%) and changed them. Yet with fresh batteries reporting 100% it still refuses to take input and does its own erratic thing.
I've had to switch it off constantly today because even when I switch to using the trackpad on my MBP (Core2duo Nov '06 model) the pointer jumps about on the screen and worse still "clicks", on things which causes mayhem.
The suggestion of the USB power doesn't seem to affect me as all I have is the Apple aluminium keyboard plugged into my MBP. No other bluetooth devices being used or nearby. It's happened at 3 different locations too I can't blame interference from anything nearby
Shame as I had thought Apple had finally produced a "mouse" that was worth of their brand and reputation.
Message was edited by: Gilbertfield

My magic mouse is now jumping around every time I pick it up / put it down. It started in the last few days. Any ideas?

Hi all -
I looked around the forums and couldn't find an existing solution...
This afternoon, I started using my Magic Mouse again, after about a week without turning it on. The mouse now jumps around erratically and sends spurious click commands - menus pop up all over the place, links are clicked, apps opened, etc. Usually it takes the form of the mouse jumping 1-8" to the left, and it seems proportional to the impact - if I put it down normally, it jumps about 4" to the left. If I put it down a little harder then normal, it usually jumps to the upper left corner.
This ONLY seems to happen when I pick up the mouse to reposition it on the mouse pad. If I slide it smoothly along the pad, then there don't seem to be any issues.
It has been in my backpack, and was turned on (I realized this afternoon when I took it out), so I wondered if it might have been the batteries. I checked them, and they're fine. It also had trouble connecting, though, and I had to cycle both the mouse and BlueTooth on the MBP.
I also saw several posts here that said it might be the optics, so I tried blowing those out, but they look crystal clear.
Just to be safe, I also updated the Wacom tablet drivers to the latest, no luck.
MBP (July 2011) 15" i7, upgraded to 8 G RAM
Lion 10.7.4
Magic Mouse
Wacom Intuos 5 tablet
no external monitors
It's possible this started when I installed the Wacom drivers, since it 'feels' kinda like using a tablet in absolute mode, rather than mouse mode - but with the mouse hardware. I have not tried swapping out the mouse for another one, nor tried this mouse with another Mac. I can try those in the next few days when I get an opportunity, but figured I'd ask in the meantime.
I'm suspicious of either the Wacom tablet (but I can't imagine there would be a problem, as SO many people would have experienced it already).
I'm also suspicious that maybe something has been jiggled loose inside the mouse, but have no idea how to tell.
Can anyone save me a trip to the (distant) genius bar?
Thanks!
Aaron

hey try a smc reset
EDIT (smc reset
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.)
if that doesnt help look at replacing the batteries in your magic mouse and try it then
if the issue still presists take it into a apple store and they can test it there to see whats up

Magic mouse erratic mayhem!

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