Laptops :: Mouse Behavior -- Jumps To Corner Of Screen
Dec 14, 2009
Intel iMac Dual Core 2.4 GHz with wired Magic Mouse.
This just started happening a few days ago. My cursor randomly jumps to the upper left corner of the screen for no good reason. I've cleaned the optical sensor on the mouse.
I used a test account and it didn't happen there (although I probably should have given it a longer test). I'm wondering if it's a corrupted preferences issue, but I can't find any likely prefs to trash.
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May 9, 2010
just got the new i7 and my magic mouse worked fine for a couple days and now it lags and jumps around the screen alot! any ideas. i used BTT and it does it while BTT is on and while its off.
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Feb 20, 2009
While I'm moving my cursor (seemingly on the desktop or some software) it will occasionally jump to one of the corners of my monitor. Otherwise it seemingly is unaffected. I just have to drag it back.
I'm guessing it's something in my preferences but I don't know what.
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May 5, 2012
I've had my mac for about three years now and everything was working fine. After I installed lion, I notice that this started to happen. I don't lose any of my information though when it does that. It just goes into a sleep mode I guess? Anyways, is this a feature from the lion update? Something standard?
Info:
MacBook Pro, iOS 5.1
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Sep 4, 2014
My Mac does not start, the mouse freezes in the left corner of my screen and displays a block break?
Info:
iMac, OS X Mavericks (10.9.1)
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Mar 16, 2010
Completely uninstalling LCC 3.2 and reinstalling it seems to have fixed the problem.
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Sep 29, 2009
I've been having a problem with my wired mouse. Ever since I installed Snow Leopard I have noticed the mouse making small jumping movements when I move it at a medium and slow speed
I was using a G5 Laser mouse and found it would jump around when I was moving it diagonally. It would make little jumps here and there randomally as i moved it diagonally, but it didn't happen when I moved the mouse vertically or horizontally.
I eventually got fed up and bought a Razer DeathAdder Mac Edition, but I still have the same problem. I thought it might be the mousepad, so I got a new one and it helped a little, but the mouse still jumps when I move it diagonally. It is tolerable for day to day tasks (although a little annoying) but when I am editing photos it can be really frustrating.
I have tried removing the Razer software but that didn't work. I installed USB Overdrive and Steermouse, but neither fix the problem.
These are not wireless mouses, both are wired, and have an advertised 1800DPI.
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Apr 22, 2012
I purchased an iMac 27in with an i7 quad core, 8G of memory, and 1G video memory. I have up dated all software to current levels, the display jumping still persists. it happens when the mouse pointer is dragged across the dock or installing something from a disk or downloading from the internet. What could be the possible cause?
Info:
iMac, Mac OS X (10.7.3)
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Jun 9, 2012
Mac wireless mouse is too sensitive and jumps around ahead of me. Anyone know how to slow it down?
Info:iMac, Mac OS X (10.7.4)
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May 15, 2012
My mouse is stuck in the upper left hand corner when I turn on the comupter and is totally unresponsive.
Info:
PowerMac, Mac OS X (10.4)
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May 28, 2012
I'm using iMac with magic mouse. My mouse cursor now stuck in top left corner and cannot move. I've tried to reset the pvram by pressing option+command+P+R
I also tried to power off 15 sec and restart, seems useless also. Now i cant use my imac at all.
Info:
iMac
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Jun 21, 2014
On my i5 MBP, at times, when I move the mouse in the top left corner (next to the Apple Symbol) the machine flips out and goes in to restart. Sometimes I get a message about a unexpected error, sometimes not. Â
I seem to not be able to recreate the problem at will, nor does there seem to be a correlation between what programme is running at the time. Â
I did a combo install (10.9.3) but this did not solve the problem. Swopped the mouse (silly but, you never know).?
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Jun 12, 2012
Cursor is driving me crazy jumping all over screen, to middle of sentences, deleting words and sometimes deleting entire sentences when I hit enter.
Info:
MacBook Air, Mac OS X (10.6.8)
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Oct 6, 2008
Our eMac seems to be developing a green tint in the bottom right hand corner of its screen. I've done some quick searching online and it seems that a few people have suggested a cold boot so it runs the degaussing process on a startup.
I left the eMac off for about an hour, unplugged. It did the degauss once it was plugged back in and "seems" to have removed nearly all of the green tint.
There are a few threads on various forums when I search on Google about this issue but they have no conclusive reasons why this is happening.
Could my eMac be developing a fault at all? I'm not too sure if anything magnetic has been placed on our table near the eMac so this may be the reason.
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Mar 13, 2012
my iMac has this glitch, the cursor jumps or teleports across screen every second. I move it and then it jumps again, always jumps to the same place, same exact pixel everytime. I try to move the cursor quickly (to open safary or hit stand by) but no matter where the pointer is across the 27" screen, it teleports like a clock.Â
I changed batteries on the trackpad and magic mouse and it didn't work. I turned mouse off, left trackpad on and it didn't work. I tried using a wired mouse and it didn't work. this is obviously not related to the input device.Â
I would like to restore the input driver with time-machine but I have no idea where the drivers reside in the machine. I also have no idea how to roll-back or reinstall such drivers on a Mac.Â
this is not the jittery, erratic, jumpy bug. When this glitch is triggered and I have absolutely no clue how or why, sometimes it starts 1 minute after reboot, sometimes 30 minutes; when it is triggered it starts to teleport every second, the arrow jumps to the same spot. it's unbearable since it renders the machine useless. I have to press the power button to send it to sleep, resume and then the glitch is gone, only to come back 5 or 30 minutes afterwards.Â
Finally, this thing happened last year in november. I wasn't able to solve it back then so I had to reinstall the whole OS Lion, that meant waiting 6 hours for it to download from the appStore (because Apple doesn't allow me to keep a copy LION on my system). I think that's plain silly since it's obviously a very mundane (but annoying) glitch and there's got to be a workarround that doesn't require system restore.
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.3), 8gb, 1Tb, iOS Lion, wireless device
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Apr 8, 2012
Within the last week I've noticed my internet is jumping back to the previous screen without warning. I will be on firefox looking at one screen and then all the sudden I am looking at the previous screen. It does it maybe every 10 minutes. I have a MacBook Pro that I only just got December 2011.
Info:
MacBook Pro, Mac OS X (10.7.3)
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Sep 12, 2009
I spilt soda on the lower corner of my screen, which then dribbled down to the black plastic. The macbook pro 13" unibody imemediately turned off, I disconnected teh power cable. I will wait to let it dry out. any prospects?
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May 18, 2009
So today I noticed a small black bar on the corner of my screen. I tried to get a screen shot of it, but i couldn't, like it was off the screen. However, my mouse dissapears under it when i move it there.It is a little hard to distinguish because it is the 2.4 ghz macbook aluminum, glossy screen so it has the black surrounding it, but it is definably there. This all along the right hand edge of the screen.
Although there is a chance it may have always been there, I am not so sure. I think there are lines along the top and left hand sides, but they are much smaller. again it is hard to tell. I am fairly sure that there is none on the bottom of screen. Is this normal, or what? I have applecare, and I didn't do anything to my macbook. Although it is getting me a little OCDish, and is slightly annoying, and I know these things on the screen tend to expand.
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Nov 17, 2009
I use my top right corner for flicking of my screen when I need to, really useful for saving energy in class and if I'm listening to music while travelling and sleeping.
The only thing that annoys me about it is, there's no option to set a key to wake the screen. I mean, when using it travelling or in bed, it would be great to use the volume and next/previous keys on my macbook keyboard without waking the screen. Maybe a terminal tweak to make it ignore a few keys, or having a specific key binded to wake the screen that anyone knows about?
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Feb 23, 2012
How can I replace my iMac glass screen? It is broken at the connor.
Info:
iMac, Mac OS X (10.5.8)
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May 29, 2012
y menu bar keep blinking in the left corner of my screen?
Info:
MacBook Pro, Mac OS X (10.7.4)
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Jul 9, 2008
Suddenly stopped working. I have checked and changed my corners, but the start screen saver is not working. I've even tried changing my screen saver.
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Aug 10, 2008
I recently noticed a dark corner on my iBook's screen I am not exactly sure what it is It does not show up when there was a white screen from a movie playing in fullscreen Anyone have any ideas??
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Jul 28, 2009
Using 24 inch iMac (purchased a year and half ago). There seemed to be moisture forming in the lower right hand corner of the iMac screen (about 6 inches wide and 2 inches tall at worst). i have read that this seems to be a common problem. Had the iMac for about a year and half and never saw this issue though. Based on forum research, the recommendation was to turn on the AC to reduce humidity. Moisture definitely disappeared after 30 minutes, however I'm concerned it will happen again. I suppose I will bring it into Apple concered (although i would rather avoid dealing with it). Has anyone else experienced this?
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Mar 29, 2010
I am going to buy my first mac when they release the arrandale MBPs. I will get the 13", I was wondering about applecare, lets say I cracked my screen on the corner and I can see everything else fine, but not the corner, how would they fix it? Send me a new one, or change the screen? I guess, what I am trying to ask is, if I break it, but it is still usable; will they replace it or fix the broken part?
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Jul 18, 2009
I own an old Power Mac g3 and when I turn it on the screen turns gray and pointer stays in the top left corner.
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Apr 22, 2012
I've got a iMac 27" mid 2010.
I see since several months some shadows and spots on the top left corner of the screen. I've read in many threads that this is a known issue (defect I would say, since I never misused my iMac).Â
My question is:
is this defect recognized by Apple and do they fix it for free?
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3)
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Jun 12, 2012
I turned on my computer and the arrow is stuck in the upper left corner of the screen. I changed the batteries in the keyboard and touchpad but still nothing happens! What should I do?
Info:
iMac, iOS 5.1.1
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Sep 25, 2010
i bought the 2009 refurbed 27"er and returned it 3 times due to yellow screen problem. for the 4th replacement they decided to send me the new model.
i have the 3rd and 4th replacements sitting here side by side.the 3rd replacement, which has a yellow corner is light years better than the new one.
the new screen doesn't have yellow corners...it's a perfectly consistent yellowish brown tone.
the older one has a yellow corner, but is much more illuminated and very balanced white. the max brightness of the new one is only 3/4s of the max of the old one.i tried configuring it to no avail.
are all the new models like this?it's quite a bit snappier, but the screen is worse than the last 3 that had yellow patches? it almost seems like it was a return and it shipped from cali rather than asia?
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May 13, 2012
My Mac froze. I tried rebooting and now it won't boot past the blue screen. I have a mouse pointer and there is a small black circle with three smaller blue dots inside of it in the upper right hand corner of the screen. Clicking on it does nothing. I tried booting in safe mode but it wouldn't boot past the galaxy screen. Again, I had a mouse pointer but nothing more. I've tried booting from the OS disc that came with the computer. It sounds like the disc is running but nothing ever happens.
Info:
iMac
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