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My Cursor Jumps when I type on My Macbook, how do i fix this ?

Every time i type the cursor on my Macbook JUMPS to earlier in the paragraph, how do i fix this?

mac mini and macbook, Mac OS X (10.5.1), first two macs ever

Posted on Aug 12, 2012 4:54 AM

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4 replies

Aug 12, 2012 2:37 PM in response to CoffeehouseSchmuck

Welcome to Apple Support Communities.


First, check to see if your MacBook battery is swelling. It often happens on the white and black MacBooks with removable battery that preceded the late 2008 aluminum and white 'unibody' MacBooks.


The battery can swell enough to distort the topcase and keyboard assembly, causing erratic behavior of both keyboard and trackpad. The effect seems to be more severe, the more the laptop was used while plugged in to the charger.


You can easily check by powering off the computer, removing the battery, connecting to the charger, and restarting to see if the problem goes away.


If removing the battery solves the problem, the solution is a new battery. They are $129 from Apple. There are less expensive batteries available from a variety of internet sources, and a wide range of user experiences, both good and bad, reported in these forums.


Note that if the battery is quite swollen, you might not be able to reinstall the battery, so be sure you have the charger nearby before testing, and until you can get a new battery.

My Cursor Jumps when I type on My Macbook, how do i fix this ?

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