Introduction
If your mouse start to register double-click when you click only once, this might be a worn switch.
Tools
Parts
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All screw are hidden below the mouse
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Peel off the mouse pad to uncover 5 of the 6 screws
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The last screw is in a hole under the sticker. You don't need to remove the whole sticker to uncover it.
 
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remove the last screws and pull the board free
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the mouse wheel LED assembly is a separate piece you need to unscrew.
 
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I want to change the left switch.
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flip the board to unsolder the switch.
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Only two legs are soldered, this is the third one
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.