Question about Logitech Marble Mouse Trackball

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Logitech 4 button trackball,

My ball was sticking several times per session. Thought cleaning inside might help (much cat hair ). Took all the screws out of the back and nothing opened.  Didn't want to pry with brute force and damage the ball.
   How can I get the back off to clean  ??

Thanks for your advice, in advance

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I love this trackball mouse, yet they are very sensitive to wear and trash that causes them to fail. Wal-Mart sells great ones like the Logitech LX3 optical mouse that are not as sensitive and have more features 

Posted on Oct 22, 2007


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