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Logitech M331 Disassembly

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  1. Logitech M331 Disassembly, Logitech M331 Disassembly: passo 1, immagine 1 di 1
    • Carefully detach the upper case and the lower case of the mouse by holding the lower case and lifting the upper case up and then pulling it backward.

  2. Logitech M331 Disassembly: passo 2, immagine 1 di 1
    • Carefully detach the upper case and the lower case of the mouse by holding the lower case and sliding the upper case forward.

  3. Logitech M331 Disassembly: passo 3, immagine 1 di 1
    • Unscrew the screw in the purple circle and unfasten the plastic pins in blue circles to remove the board from the plastic cover.

  4. Logitech M331 Disassembly: passo 4, immagine 1 di 2 Logitech M331 Disassembly: passo 4, immagine 2 di 2
    • To disassemble the upper case of the mouse, detach the plastic pins located in the blue circles. The two pins located in purple circles will be automatically unfastened once the four blue pins are detached.

    • To disassemble the light propagator, detach the small plastic pin at the bottom of the mouse case and light propagator connection.


To reassemble your device, follow these instructions in reverse order.

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7 Commenti

first time using ifixit

this was just what i needed thanks!

Prentiss Johnson - Replica

Thanks for the guide! I was able to clean the scroll wheel properly and fixed the annoying inaccurate scroll issue.

Gabriel Louie Cubelo - Replica

Exactly what I needed, a clear and direct guide. Thank you so much!

Zıbın Zıbınoğlu - Replica

Finally my mouse-wheel has stopped ghost scrolling, I used to have this problem where when I scrolled down and up it would go the opposite direction, at first I thought it was a bug but turns out on my other wired logitech mouse, it worked normally.

Upon following this instruction manual (A++) I managed to put some WD40 in the mouse wheel scrolling part, from the inside (not the wheel but the thing it’s attached to) and scrolled it a couple of times, now it works normally :)

Thanks to the author!


Thanks, cleaning up my M331 and put nachi tape on right-mouse-button so it works again (after it deform slightly).

yayanm 1k - Replica

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