Bug: Secondary monitor caused Mouse to jump

On my iMac, (Snow Leopard) when I plug in a secondary monitor into the mini port at the back, all mouses will jump every few seconds.
The mouse pointer skipped 4 or 5 cm at a time.
Unplugging the monitor makes the issue go away instantly.
I have tried different monitors and connections. No change.

I checked my monitor settings and found one for DDC/CI Support. If you see this setting, turn it off - so far, so good - no more jumpy mouse.

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OSX update 10.10.2 causes mouse to jump around and text to be highlighted randomly in Dreamweaver CC 2014

OSX update 10.10.2 causes mouse to jump around and text to be highlighted randomly in Dreamweaver CC. When trying to click on a specific line of code in a js file the cursor ends up in a different place in the script and several lines of code highlighted. Clicking again jumps the mouse to a different position and even more lines of code highlighted and some characters rearranged, breaking the lines of code. Very frustrating.

Preran,
I am having the same issue. I have a MBP connected to 2 x Dell 27" monitors over Mini DisplayPort to HDMI cables. Once I updated to OS X 10.10.2 this cursor highlight/jumping around issue only occurs on the connected monitors. If I move the program to the main laptop display the issue goes away. It does not require me to restart the program or the machine to make it work correctly. One way I am able to identify the issue is if I go to the line numbers in code like I wanted to select multiple lines - in the one that works correctly, the cursor turns into a white version where the tip of the cursor points to the right. When it is wrong, the cursor stays black and will only have the tip point to the left. Its just another way I identified if it was working cause I tried uninstalling DW and reinstalling - didn't work. Reset preferences as you discussed - no go. And I used other editors like IntelliJ and Adobe Edge Code - all of which work fine and don't display this issue.
I tried the preferences reset you suggest and it doesn't work. I have another machine with OS X 10.10.1 on it and this issue is not there on any monitor. Any help with this ASAP as it pretty much stops you from being able to do any editing especially with longer pages as it consistently wants to page up when you select anything and if you then click again in another area it tries to move the highlighted code to that new spot.
Update: I have a USB Microsoft Arch touch mouse connected (always worked just fine). When I go to place my cursor at some point in the code it causes the highlight flicker. If I switch over and use the built in trackpad, then I can place the cursor without the highlight issue. When trying to select multiple lines or sections of code, that still see's the highlight, page up and move of code issues regardless of input type.

NEW09 imac External Monitor causes mouse to freeze every 4 sec for half sec

Would love some help
Every time I connect my external monitor my mouse will stick every 4 sec for less than a half sec (not exact but it it's doing it in a repeating pattern).. If I unplug it it stops and when I plug it back in in starts again.
4 day old imac 10.5.7 fully updated 2009 CTO Ati 4850 4gigs ram 1tb storage.
I tested all of my peripherals on 3 other mac's including new 8 core and mini and it works just fine (even when I connect the DELL monitor.
Also, tried to do a mirror instead of extended desktop and the problem persists
peripherals include Intouse3 Wacom with latest driver (I thought that was the issue so I tried older drivers and uninstalled them). Mighty mouse USB and keyboard w numeric keypad
External monitor is a new dell "24 1920 1080 monitor
Thanks it would be awesome if I didn't have to lug this thing down to Gen bar

Did you do the usual general trouble-shooting?
Run Disk Utility and use the +Repair Disk Permissions+ on the startup volume.
When you restart, use the reset PRAM procedure.
http://support.apple.com/kb/HT1379
If that does not help, try creating a new admin user account in System Preferences Accounts pane
http://docs.info.apple.com/article.html?path=Mac/10.5/en/8235.html
Log out and log in to the new account. Does this same problem occur in the new account? If not, you have narrowed down the cause to something in your normal account. It could be some corrupted user preference setting, or some background process (perhaps something third party) that runs when you are logged into your normal account.
If it does occur in the new account too, restart using the Mac OS X installation disc. Insert the disc and restart with the C key held down to force a restart from the optical drive. When it gets to the Installer's first screen, don't go any further, but note if this problem still occurs (when you are booted from a different system).

Jumping mouse cursor movement with secondary monitor

Mouse cursor movement is interrrupted or jumps as soon as a secondary monitor is connected to my iMac. Either mouse movement direction is affected. Typically cursor movement stops for about a second while moving mouse further. Then suddenly cusor jumps either forward or backward.
As soon as secondary monitor is dicsonnected, cursor movement is perfeclty in synch with actual mouse movement.
I would very much appreciate any hints to solve this issue.
Thanks
Ole

Thanks for your link - read it already yesterday.
Found after some further search other threads with exactly the same issue - unfortunately not yet solved:
[Ati 4870 Monitor/Mouse problem|http://discussions.apple.com/thread.jspa?threadID=2130243&start=0&tstar t=0].
[NEW09 imac External Monitor causes mouse to freeze every 4 sec for half sec |http://discussions.apple.com/thread.jspa?messageID=10832381&#10832381]
This issue seems to affect various of monitor models.
My secondary monitor is a Fujuistu Siemens model H19-1, resolution 1280 x 1024 @ 60 Hz, 32-Bit Colors connected via

Mouse pointer jumps to corner of secondary screen

We just upgraded to a new server running the latest Solaris with Sun VDI 3.1 which includes Sun Ray Server Software 4.2. I have multihead enabled and have 3 stations with dual-monitors/Sun Rays. On the second monitor, especially when dragging or scrolling, the mouse pointer jumps to the top-left of the screen. All three of us are experiencing this. Two have xinerama extension enabled, one does not have it enabled and says he's seeing the same behavior with the mouse. We have mix of Sun Ray 1G's and 2's, and one I'm using is a 170. I did not experience this with our old server running SRSS 3.1. Anything I can do to fix this problem? I appreciate any help.

demmeister wrote:
Do you know when the next patch is due?Patch schedules are highly unpredictable. This patch is now in what's supposed to be its final QA cycle but if QA finds problems, or if a serious new issue is reported (especially if it's a security issue) then the whole thing might have to be rebuilt and possibly resynchronized with other patches in progress, and then retested on all supported platforms (which means reassigning QA resources that had been committed to other efforts). The best case for this patch that has reached this stage of the process might be two or three weeks. The worst case could be a month or two.
Alternatively, is there a hotfix available as many of our users are having difficulty at the moment.If you have a support contract then you can open and escalate a support call against the bug. After the escalation has been filed you can request an "IDR" ("Interim/Diagnostic Relief"), which is essentially an early build of the patch that contains the intended fix for that bug. The IDR will not have been tested by QA so there's some risk involved in taking it. This is one reason why we don't routinely publish IDRs. You have to decide whether that risk is outweighed by the pain the bug is causing.
OttoM.
Disclaimer: I work for Oracle, but I do not speak for Oracle.

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Hi,
This is a pretty convoluted problem, but I run two monitors (from the one RADEON videocard) and it seems that the iTunes7 window won't recognize input from my mouse's scroll wheel when the window is positioned on my "secondary" monitor.
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M

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I recently bought a Mac Mini, hoping to get into iOS development, everything was fine, but recently the mouse pointer has started jumping to the top left corner of the screen, this happens every time I try to move it, within 1 second of my moving the mouse, it's jumped back.
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Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

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Hi
lightroom 4.1 rc2 seems to have solved the crash issue when using a secondary monitor.
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The image that appears in the secondary monitor have total different colors than the reality... and when switching the configuration ( so main window go into secondary monitor ) colors are fine ( so this isn't a bad configuration between monitor and lightroom.... ).
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I repeat that the main window of lightroom shows the image correctly when working with secondary monitor as main...

Known bug.
http://feedback.photoshop.com/photoshop_family/topics/lr4_rc2_differences_in_rendering_in_ library_and_develop_modules

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G5 Mac OS X (10.4.4) graphic design applications
G5 Mac OS X (10.4.4) graphic design applications
G5 Mac OS X (10.4.4) graphic design applications

I only just disconnected the monitor, so it will take time to tell if that's a factor. As for the kernel panics, although it's always the same scenario (placing images from server through InDesign) they happen very randomly; it's not happening every single time I place a file. In fact, I just placed an image on the server into an ID doc I have on my desktop, no problem. So I can't say for sure that it has happened when working from my desktop or only when working on the server.
G5 Mac OS X (10.4.4) graphic design applications

How do I get LR to open on the secondary monitor in a two monitor iMac Retina system using Yosemite?

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I have:
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Exactly what Bob Levine said. Can confirm, running a two monitor display here.

Mouse randomly jumping while using most tools in Photoshop CS4 and CS5.

Hi,
I have recently been using my photoshop cs5 when all of a sudden the mouse has began to jump and move randomly when I am using some of the tools. For example, when I use the eraser tool it will not always, but frequently erase something in a random position on the page, and this is becoming a pain as I can be editing something zoomed right in and zoom out to find random areas of my drawing gone which can be very frustrating, but this problem is not restricted to the eraser tool, when I transform shapes with the transform tool occassional it will stretch the shape 4000pixels wide when I only go to increase it by 5, or when i try to move it, it just disappears and I find it outside of the drawing canvas.
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Ok I am going to toss some thing out, they may sound silly or redundant but these are things we simply do not know that could cause issues.
What type of mouse pad do you have?
Highly reflective or worn smooth mouse pads or using desktop surfaces rather then a mouse pad can cause light distortion and cause jumppy behavior uneven survaces or highly reflective survfaces are bad too. the same can be said about overly light absorbent surfaces. as they can spread the light. Like if you are like me and have a wide arm cloth chair, you still need a mouse pad on the arm of the chair or your mouse pointer will jump as it travels accross the uneven surface.
Do you have any other usb devices installed?
Are you plugged into a USB hub and not the computer directly?
Is it possable its your keyboard thats causing the issue. Unplug the KB then see if the mouse still jumps.
let me know if any of this helpped.

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Hi all
I am using a dual monitor setup. Laptop screen as primary and a vga monitor for secondary running though a minidisplay to vga adapter. This is setup as an extended desktop. The 3 corners of the primary monitor and 2 corners of the secondary monitor can activate my expose settings.
I would think that using an a dual monitor extended desktop setting will allow you to activate expose, through 2 corners of the primary and 2 corners of the secondary assuming they are arranged as side by side screens.
Is this bug that we are waiting for a fix or is this something unique on my side?

During booting in the safe mode the notebook loads only a common drivers and it should be able to see something on the screen.
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Switch secondary monitor

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thanks i did try both things. when i used the system preferences to rearrange the monitors, all it did was make it necessary for me to move the mouse to the left side to access the monitor on the right.
You were moving the entire display. Just drag the menu bar at the top of the picture of the display.
My old monitor (a 14" pc monitor) was not a dvi monitor, so the adapters, were not to be found,
ADC to VGA adapters have become scare (and expensive), but you can use the ADCT to DVI adapter for your DVI display, then use a DVI to VGA adapter on the computer's DVI port for the VGA display.

Mouse pointer jumps to corners of screen

I am using a Mighty Mouse (wired) and have had problems with my mouse pointer jumping to the four corners of the screen. I then have to move the mouse around and find what corner it is in, and bring it back to where it was. It happens very often, and is very distracting.
I have had the same problem with a Microsoft wireless mouse and a previous Mighty Mouse.
Any ideas as to how the stop the jumping would be greatly appreciated.
Snoopyknitter

The suggestion to follow the cord was evidently the correct one. I had my Mighty Mouse plugged into the usb port on the back of my Mac keyboard. When I realized this (I have had it set up this way since I got my G5) I plugged it into one of the usb ports on the back of the monitor. In several hours I haven't seen the pointer jump once.
I will leave it set up this way and watch, but I think this may have been the solution. To think it was such an easy solution and I have been putting up with this for several years!
Thanks Thomas Bryant.
Snoopyknitter

Firefox freezes when opened on secondary monitor using default profile. Other profile okay.

Windows 7. Firefox 28.0. Hardware acceleration is off in both profiles.
Default profile behaves normally in the primary monitor (I have two monitors). When I open the default in the secondary monitor, it appears to be at maximize size but only the top bar of the screen is visible. If I shrink it, it locks up, but I can slide it over to the primary monitor where it then works normally.
If I open it in the primary monitor then move it to the secondary, it shows in a less than full screen. When I maximize it, a duplicate screen partially opens and both freeze, and menus freeze when I open them. I can slide it back to the primary where it works normally.
My other profile is an old one with all the bookmarks, settings and history. It works fine on both monitors.

You can check for problems caused by a corrupted localstore.rdf file.
*http://kb.mozillazine.org/Corrupt_localstore.rdf

Bug: Secondary monitor caused Mouse to jump

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