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Every once in a while, I start hearing a high-pitched sound when I move my mouse or scroll the mouse-wheel. It's not very loud to begin with, and when I try to figure out where it comes from, it gets quieter and disappears. Now that I'm writing about it, it's dead silent. So I'm still not sure if the sound comes from the mouse itself, the laptop, or my nearby speaker. It doesn't seem to be coming from the wireless receiver.
Search results show that I'm not the only one with this problem. It may possibly be due to coil whine.
Update: It's definitely not coming from the speakers either. It's got to be either the mouse or my laptop. And maybe it only happens when my mouse is in a certain position relative to the laptop... Maybe the wireless signals are causing something in the laptop to vibrate?
Update #2: I figured it out - the noise is coming from the mouse itself!
Search results show that I'm not the only one with this problem. It may possibly be due to coil whine.
Update: It's definitely not coming from the speakers either. It's got to be either the mouse or my laptop. And maybe it only happens when my mouse is in a certain position relative to the laptop... Maybe the wireless signals are causing something in the laptop to vibrate?
Update #2: I figured it out - the noise is coming from the mouse itself!