Wired mouse randomly jumps to corner

For months if not over a year now I've had an Apple mouse (model no A1152, EMC No 2058) which randomly jumps to a corner. It's nothing to do with the pad graphic as I bought a new one thinking this. The cursor will stay in the corner forever unless I lift the mouse from the pad and when it's placed back down it release. It's seriously annoying. I've swapped to the one my wife uses on her Mac BookPro (model no 5769 EMC No 1967) and the same thing happens. She is using my mouse and hasn't noticed it happening on the MBP!
To eliminate any further causes, I've also added a new drive to my MP and installed 10.6.8 (was on 10.5.8 on other drive) so effectively I'm working on a new machine!
Does anyone have any suggestions for the cause?
Thanks

Grant Bennet-Alder wrote:
Dozens of complaints like this have been traced back to a completely different device, such as a Wacom tablet, stll attached but "unused". Your Mac takes input from ALL the attached pointing devices at once, it does not know "unused".
Not sure what you're telling me here, I don't have a Wacom tablet...!!??

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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.
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demmeister wrote:
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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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Preran,
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Snoopyknitter

What is the proper way to disconnect a magic mouse and reconnect a wired mouse with new Mac Pro?

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Thanks for your response. Actually, this is the first thing I did. But I just tried it again, and still the mouse malfunctions.
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OK, so the search function is disabled until tomorrow, so please don't flame me for not searching...
Starting this morning, my mighty mouse (wired) started clicking (second button clicking, I think) randomly, preventing me essentially from using it as it would continuously click while I tried to work, pushing my current application into the background. Am using a wireless Microsoft mouse as a backup currently.
I have tried disconnecting and reconnecting the mouse numerous times, and have even unplugged and replugged the power supply (UPS) in case there was some kind of "lost ground" issue.
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I might have found the solution to your problem.
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My friend was not impressed with his first experience with Mac.
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At this point we where going to return the whole system and get another one. Then I decided to use trusty Google search and I found this article in some forum www.macintouch.com/readerreports/mightymouse/topic4048.html I scrolled down and read many others with the same problem and what they did to solve the problem.
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I am an HP employee.
"Did my response help with your issue? If so, please give me Kudos by clicking the "Kudos" button or mark the post that solved your problem as the Accepted Solution. Thanks!"

TS3048 My keyboard will connect wirelessly but my mouse will not. I've put new batteries in the mouse and the green light is blinking but it just won't connect!!! I don't have a 'wired' mouse so I can't get into preferences etc!!! Pls help

My keyboard will connect wirelessly but my mouse will not. I have tried many times, put new batteries in etc. The Bluetooth appears to be on (as the wireless keyboard is working). I don't have a 'wired' mouse so I can't get into preferences etc. Is the mouse dead perhaps? The green light is flickering so it should be ok???
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From what you say I would suggest the batteries are not connecting properly.
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Message was edited by: seventy one

Wired mouse randomly jumps to corner

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