Introduction
Tools
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Remove the lower glide pads at the bottom of the mouse.
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Use a screw driver to remove the screws highlighted here.
 
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Lift the cover where the screws sat and shift it backwards slightly (away from the cable). Everything else inside the mouse comes loose with this step.
 
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The electronics board contains:
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5 small buttons
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one mechanical rotary encoder (of the mouse wheel)
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one LED
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the sensor IC Pixart PAN3101DB
 
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