Solved

Cursor Point Skips

Posted on 2006-07-20
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Last Modified: 2010-04-26
Hello Experts,

Using a Compaq Presario V4000

I have a really annoying problem with my laptop. I'll be happily typing away just to look at my screen and the cursor will have moved itself so instead of this:

hello, this is a test

it will look something like

hello, th a testis

its really irritating and i am contantly correcting my coding which i type manually.

I'm not sure if its a problem with the keyboard, built in mouse, usb mouse... just need to know if anyone else has had this problem and how did they fix it?

Thanks in advance,


Dave
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Question by:davecestria
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by:Callandor
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You may have a problem with the mouse driver.  Does it happen with all applications?  If so, I would recommend reinstalling it.
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by:davecestria
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Will that help... as i do not touch the built in mouse or USB mouse when it happens.
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by:Callandor
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The machine thinks that someone is touching the mouse.  I've also seen this happen when there are multiple mouse drivers installed which conflict.
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by:davecestria
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Is there a way to disable the built in mouse and i rarely use it and not sure if i even have the drivers to re-install.
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by:davecestria
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Actually i've just thought... when it happens it does not move to the point where the cursor is or was, its just random, i also seems like its tabbing to the next item sometimes more than a page down. Could this still be a mouse issue?
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by:
callit earned 200 total points
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It sounds like it could be mouse or keyboard related.  First, if you never use the built in mouse/touch pad, you could try disabling the device in the device manager. (XP: Right click My Computer -> Properties -> Hardware Tab -> Device Manager Button -> Mice & Other Pointing devices OR Human Interface Devices -> Right Click on Device -> Properties)  There should be a drop down that allows you to disable the device, but windows might not let you.  You could then try right click -> uninstall on the device.  Of course, windows is Plug & Play, so it'll probably try to install software for it every time you boot your PC.

As for the drivers, you could check the manufacturers website for them - most of the big name latop mfrs will provide all the preinstalled drivers on their site, and if there's an update, that could solve your problem too.

If it's the keyboard, it sounds like it could be hardware related, but judging by where your text ended up in the example, that doesn't seem to make sense with a keyboard issue unless it's the cursor keys.  
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by:rid
rid earned 200 total points
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Sometimes the touchpad (if you have one of those) can be disabled in BIOS setup. Otherwise, the cursor keys idea might be worth investigating. One or more of them might be "bad", making contact when other keys are used, perhaps?

If you just slowly tap your way around the KB in a word processor or similar and watch the cursor, can you determine which way, when etc there are unwanted jumps?
/RID
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by:rid
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I suppose it might be worth while to check for driver/software issues as well. Booting with a Knoppix CD or similar should be helpful - if the problem persists, it's a hardware problem, if not - very probably a software problem.
/RID
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by:davecestria
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Ahhh, dam it... tried everything suggested... PC World here i <> come lol... i hope they can fix it there and then... thanks for your help guys.

When typing "guys" at the end it jumped back to where the <> is, mouse was on the start menu lol... i hate this laptop!!!!!!
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by:davecestria
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I meant Start Button
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by:davecestria
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Split points... hope no one minds
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