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Introduction

If your Microsoft Bluetooth Ergonomic Mouse (model 1955) need any internal modifications or repairs to internal components (excluding batteries), This guide will help you to remove the outer and inner shells for internal access.

If any button, scroll, click, sensor, power, bluetooth hardware, or circuit board and wires are compromised, removal of the ergonomic shells are necessary to repair or replace those components.

When removing the shell with the pry tool be cautious not to damage the plastic of the shell when prying. Try to use plastic pry tools to limit damage on other plastic. Be more cautious if using a metal pry tool.

Before beginning, make sure to power off your mouse completely and disconnect from any external power source.

What you need

Step 1 Shell

Microsoft Bluetooth Ergonomic Mouse Shell Disassembly, Shell: step 1, image 1 of 2

Microsoft Bluetooth Ergonomic Mouse Shell Disassembly, Shell: step 1, image 2 of 2

Remove the battery cover and take out both AAA batteries from the mouse.
At this point, the mouse should have no power source and be safe to work on.

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Step 2

Insert a thin pry tool beneath the seam near the left and right click buttons.
Slide the pry tool toward the rear of the mouse while keeping the tool underneath the upper shell clips.
Gently release the retaining clips securing the top shell.
Continue working around the shell until the top cover separates from the lower housing.

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Step 3

Remove the three 7.1 mm T6 Torx screws securing the inner shell.

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Step 4

Open the inner shell carefully from left to right to access the internal circuits.
Do not pull on the wires connecting the upper and lower shell components.