Jumping cursor when i type a document or write an email

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Hello Everyone,

I have been called to fix a jumping cursor on a laptop.
This is how the client describe the problem: when I am working locally on my laptop typing a letter on Word the cursor jumps back to the beginning of the line, or jumps to the line below or sometimes it erases the whole paragraphs.

When I am working off the cloud, using office 365 and I am in Outlook writing an email it happens the same thing.
I cleaned the laptop from infection, now the laptop is cleaned so with no infection I thought the cursor should act normally but I was wrong. I connected the laptop with a cable to make the connection stronger…still the problem persist.

I thought that he was accidentally touching the mouse pad with his thumb but that is not the case...

He is using a laptop with Windows 7 64 bit.

Does anyone have seen this issue before? How can I fix this please?
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Scott CSenior Engineer

What about if you hook an external keyboard to the laptop?  

The touchpad touching was my first thought too.

What about in Notepad?
Can you disable the touchpad on the laptop and see if the cursor still jumps around?


Darn what a great idea, why I am so retarded and I haven't' think about it !!

I am going to disable the touchpad, how can I do that ? in the bios ?

Why are you asking about Notepad ? what is the difference between notepad or word ? The problem is that I wasn't able to reproduce the problem, neither him was able to produce the problem when I was there, but as soon as I left it happened again ....

So you if it's not the software it could be the laptop keyboard correct ?
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Most Valuable Expert 2013
The best way to troubleshoot is to open the case, remove the keyboard, physically disconnect the touchpad cable from the systemboard and reassemble.  Most laptops have a software switch to disable the touchpad but if the touchpad is itself faulty it's not as reliable a way of disabling it than cutting the connection.

Even if you add an external keyboard, if the touchpad is sending random data it will still affect the input.
Tyler BrooksNetwork and Security Consultant
I would usually start by just disabling the trackpad with the software, I have found that some new track pads are so extremely sensitive that I would swear I didn't touch it but the cursor still jumps. This may allow you to nail down the issue before spending a bunch of time pulling the unit apart, and if this still reoccurs you can still physically disconnect.
Senior Engineer
I was thinking that maybe it was a software issue and that notepad might behave differently than Word.

Now I find it strange that it happens all of the time except when you show up then starts again when you leave.

I'd try as others suggested by disabling the pad.  Unless you are very comfortable inside of a laptop, I'd avoid disconnecting the cable.  Every time you open a laptop, you are exposing yourself to more problems.  Some of those wires are very fragile and if you break one you are liable.
Did I miss the laptop make, Lenovo for example has a utility in the is to disable it. I disable the trackpad and only use the red pointer thingy on my laptop. My palm would hit the trackpad and jump the cursor. I don't think you should have to physically disconnect it.
Top Expert 2013
>>  I cleaned the laptop from infection,  << i would think there is still an infection
i would run an AV scann first
 - then MBAM : http://www.malwarebytes.org/mbam.php                         MBAM
followed by    http://majorgeeks.com/RogueKiller_d6983.html                  Roguekiller

but obviously - the best way to be sure is a fresh install (may also save you time in the end)


Good Morning Everyone I disabled the track pad and provided an external keyboard, I am giving the client a few days to test it and see if he is still experiencing the jumping cursor...I will keep everyone posted. Thank you everyone.


The mousepad has been disabled and he is using an external USB keyboard. This morning he told me then less but he is still experiencing the jumping cursor problem. Due to the age of the laptop I recommended to budged for a new one rather than format the existing one :)


Thank you everyone

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