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When using some of the programs such as MS-EXCEL, the mouse pointer behaves as it has a mind of it's own. It starts jumping up and down and behaves erratically not allowing the control using touchpad. I have Compaq HP presario running Vista. Can some one help please???

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First, try cleaning the touchpad WELL with a cloth damp with windex. If still no good, you should try to remove the keyboard, disconnect and reconnect the touchpad cable that goes to the mainboard.

hope this helps

Posted on Aug 09, 2009

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Posted on Jan 02, 2017

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I would suggest you try safe mode.
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