How to Disassemble a Microsoft Laser Mouse

Written by michael j. scott
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How to Disassemble a Microsoft Laser Mouse
(Zedcor Wholly Owned/ Images)

If you've had a Microsoft laser mouse for awhile, odds are high that it has got a fair amount of dirt and debris inside. The click wheel may not be working as well as it should, and the accuracy may be off due to dirt on the laser's lens. The solution is to disassemble your mouse so you can give it a thorough cleaning. Before you get started, make sure you have a Torx screwdriver. They are available at any hardware store.

Skill level:
Moderately Easy

Things you need

  • Torx screwdriver

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  1. 1

    Turn your Microsoft laser mouse over and remove the batteries. If your mouse isn't wireless, disconnect it from your computer.

  2. 2

    Remove any screws on the bottom of your mouse that are holding the top and bottom halves together. Typically the screws will require a Torx screwdriver to remove. Depending on your mouse, there will be one or two screws. There will likely be one screw in the battery compartment. If you have difficulty separating the two halves, look for additional screws beneath the rubber pads on the bottom of the mouse.

  3. 3

    Use your fingers to carefully pry apart the two halves of the mouse. Start at the back of the mouse and lift the top half toward the wheel.

  4. 4

    Remove the left shroud on the bottom half of your mouse by gently lifting it up until it works free.

  5. 5

    Gently lift the click wheel up and disconnect the cable from the mouse's circuit board. The cable is connected very tightly, so you may need to use a flat head screwdriver to gently pry it loose. Once the cable is disconnected, remove the click wheel assembly.

  6. 6

    Lift the circuit board straight up and out of the bottom housing of the mouse. Be careful with the battery terminals. Push the terminals in with your finger so they can clear the lower part of the housing.

Tips and warnings

  • Disassembling your Microsoft laser mouse will void the warranty.

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