broken scroll wheel

Apr 14, 2018
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i dont know what happened but the scroll wheel on my mouse broke so now it scrolls freely but it does not pick up that im scrolling the mouse
 
Solution
Most of the time this is from lint wrapping around the axle and blocking the sensor. The wheel is an opto-mechanical device like a ball mouse, where a LED shines through the spokes of the scroll wheel to register movement on the sensor on the other side. Block the spokes and it cannot measure movement.
Most of the time this is from lint wrapping around the axle and blocking the sensor. The wheel is an opto-mechanical device like a ball mouse, where a LED shines through the spokes of the scroll wheel to register movement on the sensor on the other side. Block the spokes and it cannot measure movement.
 
Solution

ok what can i do to fix it