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Snow Leopard - when typing, curser will jump to another spot

by dlcole / October 8, 2009 8:04 AM PDT

I am running Snow Leopard on a new MacBook Pro.

I have noticed that often when I am typing, the curser will jump to another location. So, I might be typing on a line and then suddenly, the curser will jump to a line, usually above the line that I had been typing on.
Anyone else have a problem like this and does any one know how to fix this?
Any ideas would be appreciated!

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I wonder if the possible cause
by mrmacfixit Forum moderator / October 8, 2009 8:55 AM PDT

might be accidental touching of the touchpad?

Just a thought


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Accidental touching of the trackpad
by dlcole / October 8, 2009 9:35 PM PDT

I thought that that might be it also . . . but even when I'm careful, it still happens.

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Try this.
by R. Proffitt Forum moderator / October 8, 2009 9:47 PM PDT

Turn off the trackpad and use an external mouse to see if its still that old issue.

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Using a trackball from my G5
by dlcole / October 8, 2009 11:10 PM PDT
In reply to: Try this.

Various times I have used my trackball from my G5 and that works fine. I'm not sure how you go about turning off the trackpad. I went to the Preferences panel for the trackpad, but could find no way to turn it off.

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Cursor jumping without reason
by GFW / October 9, 2009 10:13 AM PDT

This is not unique to Snow Leopard - I am using Tiger and the cursor jump happens to me too.
I have not been able to determine whether it applies only when I am using particular software, but I suspect it may be an interaction between some software and the MacOS.

Usually I find the curson somewhere over near the upper right corner - I keep my dock on the right hand side.

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I have that problem too, in Leopard
by grtgrfx / October 9, 2009 11:59 AM PDT

Even brought the MacBook into Apple for a diagnostic. They never found the problem. And it happens with a mouse connected, too. So it's not an OS issue as much as a Mac/software issue. It's really annoying when I'm replying to an email and I discover I've started typing in the Subject field instead of the message!

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Jumping Cursor
by graci24 / October 9, 2009 2:08 PM PDT

I have a Sony Vaio VGN-NR220E running a Vista 32 bit operating system with an Intel(R) Pentium (R) dual CPU T2330 @1.60 GHz, 1GB system. My cursor will also jump around, also my window will close and I will have to click on the explorer button at the bottom of the screen to click on the link and bring it back up again. I think I may have to many windows open at once. I also have a window come up to say that internet explorer has stopped working, in a short time span it will come up to say it has been recovered and I can continue on because the only change to the screen was the windows that came up and I deleted them. I believe whoever said that it could be the page we are on could be going in the right direction with that thought.

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I have also experienced this happening especially with Gmail
by divendave / October 11, 2009 11:09 PM PDT

I am still fairly new to the Mac. I noticed this happened on occasion especially when typing in gmail with 10.5. When Snow leopard came out I installed it and have noticed the frequency of curser jumping has increased to the point that it is more than noticeable. It must something with the operating system because I am using the iMac 3.06. I notice it happens most with gmail and often if I begin a reply with a capital I it will act like a hot key and open a new program, though not always the same program.

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