How to Fix a Mac Mighty Mouse That Doesn't Scroll Properly

Step-by-Step Guide

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   Step 1: Unplug your mouse from your computer.

   If ball still isn't rolling properly, repeat with a lightly moistened cloth to remove any dirt.
   
   This works better if you use alcohol (eg. methylated spirits).
   
   You can also choose to put the mouse upside-down on a piece of paper and just rolling the ball over the paper. ,, If not, try repeating these steps a few times.
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   Step 2: Turn the mouse over so it's upside down.

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   Step 3: Rub the scrolling ball repeatedly for a minute or so in every direction with a dry

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   Step 4: clean piece of linen.

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   Step 5: Try the same thing with rubbing it on your cotton shirt

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   Step 6: or jeans.

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   Step 7: Plug your mouse back in to see the problem's been fixed.

Detailed Guide

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