Einleitung
If scrolling the scroll wheel starts becoming imprecise or seemingly "slow", it may be because there's filth accumulation affecting the movement sensor. Because of the rolling movement of the wheel, dust accumulates in the form of a ball and will block the photo-sensor intermittently. There's some discussion on the internet that may lead us to think that this behavior is an app configuration problem (if you're using Logitech Options), but after opening the device I confirmed that, in my case, it was just dirty. Please note that you just have to disassemble the device using the instructions you will find right here on iFixit up until step #2 of the Disassembly Guide to reach the scroll wheel, so you may skip steps #3-#11 of the guide below.
Was du brauchst
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Schritt 1 Logitech MX Ergo Disassembly
Achtung: Die Schritte 1-10 stammen von einer Anleitung, die derzeit bearbeitet wird.
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Remove six T6 screws from the bottom
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Slide a prying tool under the rightmost button and follow the seam back till the top half unclips
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Unplug the battery from the mainboard, carefully lifting the plug marked blue
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Unscrew the three screws holding the battery submodule
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Unscrew the bottom left screw holding down the fwd/rev buttons, lifting the assembly to the side
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Unplug the flex ribbon indicated in blue, coming from the power board below. Remove the six screws holding the main motherboard (one indicated orange here, just out of shot).
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Unscrew the three screws holding the power board i place. Take care not to loose the power switch below as you take the last bits apart.
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These three screws are a bit shorter than the rest, so keep them separate
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The right click lever comes out after the bracket covering the ribbon cable
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The Right click lever comes out through the front/top of the mouse
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Then the circuit boards can be removed
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Under the circuit boards there is three piece that need to come out next
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The first has one screw and two clear pieces that transmit the light from the circuit board to the outside of the mouse and hole to allow another to pass through it
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Then the computer selector switch lever can come out the front/top of the mouse
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After that the connecting light indicator transmitter will fall out and the left click lever can be removed
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With the cover open, look at the scroll wheel on the side that has a hollow central area and roll the wheel. You should look for any dirt/filth that may have accumulated on this inner side of the wheel in the form of a little ball that interferes with the sensors (see image on next step).
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Carefully remove it using tweezers, so you don't bump the assembly out of alignment.
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That's it! Now just reassemble your MX-Ergo: Logitech MX Ergo Disassembly
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
Ein Kommentar
Before going to all that work, I tried using a can of air to forcefully blow into the gap on each side of the scroll wheel. I don't know if it got any lint out, but it started working perfectly again without having to disassemble it.
