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How to modify a Normal Mouse into a Silent Mouse

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日本語版はこちら

2020.4.10 ADD How to modify the Apple Magic Mouse

End of ADD

Hi there.  When you click on a computer mouse, it makes a ticking sound, doesn’t it?  These days, there is a quiet mouse that doesn’t make that ticking sound.

I tried it at the store and it really doesn’t make the ticking sound of the mouse.  There is a recessed sensation when clicking, but no sound.  I was a little worried about the clicking sound when I was out and about, so I’m going to modify my mouse to a quiet one.

My mouse is a Logitech M235.  Even if you don’t use this mouse, most mice have the same switches, so I think you can modify them.
What you need to prepare is this switch.
It looks like a quiet switch from a manufacturer famous for quiet keyboards and mice.  I will have two of these.
Let’s disassemble the mouse.  The M235 disassembles it like this.
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First of all, there is a screw at the bottom left of the plus mark where the battery enters, so break the seal and loosen the screw.
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Mouse butt? Put a flat-bladed screwdriver into the area of the.
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Pull from the head in the direction of the buttocks and the back cover will come off.  It feels like you’re pulling out, and requires a little power.
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The substrate is attached to the back cover, so the board can be removed by removing the claws on the cover indicated by the circle in the photo.
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Oh yeah, and check to see if it’s a replaceable switch.  The original switch model number was D2F-01F orD2FC-F-7N.
If it looks like the one above, it can be replaced with a silent switch.  Remove this part with a soldering iron.
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The switch has come off.  This time, the middle button also had a bad contact, so I replaced it as an afterthought.  The model number of the middle button is B3F-1000.  This is a normal tact switch, not a silent one.

It’s also available at “Marutu Parts”.

Once the switch is removed, solder the silent switch.
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There are three original holes, but the switch is attached the hole with the convex that pushes the switch. In M235, this is the one with the horizontal silk.
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Soldering completed.  Assemble the mouse in the reverse order of disassembly.
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Connect it to the computer and check the operation.  It has been restored safely.  The clicking sound has gone from a “click” to a “knack” sound and is much quieter.  The mouse I’m used to has become a silent mouse.
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