Logitech MX Master 3 Battery Replacement

Escrito Por: Adam O'Camb

Comentarios: 4

Logitech MX Master 3 Battery Replacement

Dificultad

Moderate

Pasos

Tiempo Requerido

10 - 30 minutos

Introducción

Use this guide to replace the battery in a Logitech MX Master 3.

This guide requires removing the mouse feet. If you’re planning to reuse your existing mouse feet, note that the adhesive needs to be thoroughly heated for them to be cleanly removed.

Herramientas

Partes

Precut Adhesive Card

Paso 1

Before you begin, flip the mouse's power switch into the OFF position.

Paso 2

Flip the mouse's power switch into the OFF position, unplug any cables, and flip it over so the feet are facing up.
The unique shape of some mice can prevent them from laying flat. If you need to, lay your mouse on a soft towel to prevent wobble.
If you're planning to reuse your existing mouse feet, note that the adhesive needs to be thoroughly heated for them to be cleanly removed.
Heat an iOpener and apply it to the left foot for about two minutes.
Alternatively, you can use a hair dryer to soften the mouse feet adhesive.
When using a hair dryer, don't heat the feet for more than a couple seconds at a time—anything hotter than just warm to the touch risks melting or warping the plastic lower case.

Paso 3

Slide an opening pick under an edge of the left mouse foot.
Go slowly, and make sure the pick slides underneath both the foot and its adhesive pad. These layers separate easily.
If you plan on reusing your mouse feet, be careful not to crease them or separate them from their adhesive pads.
If the foot feels stuck, apply more heat before continuing.
Slide your pick under the foot to separate its adhesive until you can grab it with your fingers.
Peel up and remove the left mouse foot.

Paso 4

If the adhesive separated from the foot:
Slide the flat end of a spudger under an edge of the adhesive. If the adhesive seems stuck, you may need to heat the adhesive further.
Use a pair of tweezers or a spudger to remove any large chunks of leftover adhesive.
For installing new mouse feet or reusing your old ones:
Thoroughly clean the bottom of the mouse with isopropyl alcohol and a lint-free of microfiber cloth. Allow the surface to dry completely.
Peel your new mouse feet away from their adhesive liners and press them firmly into place.

Paso 5

Repeat the previous three steps to remove the right and the rear mouse feet.

Paso 6

Repeat the previous two steps to remove the right and the rear mouse feet.

Paso 7

Remove the six screws securing the two halves of the mouse together:
Use a Phillips screwdriver to remove five 4.3 mm screws.
Use a T5 Torx driver to remove the 4.2 mm screw.

Paso 8

There are clips all around the perimeter of the mouse case holding the two halves together. It is easiest to pull them apart starting at the back of the mouse.
Don't completely separate the two halves yet—they're still tethered together by a delicate cable.
Grasp the mouse case at the back and pull the two halves apart slightly, so there's a gap at the back of the mouse.
Move one hand toward the front of the mouse and continue pulling the two halves straight apart.
As you reach the front of the mouse you will need to slide the base toward the front of the mouse (down in the photos) so that the two halves clear each other.
Some of the clips are particularly stubborn and may require some force to pull apart. Apply steady, slowly increasing pressure to force the halves away from each other.

Paso 9

Use the flat end of a spudger to gently lift the black sliding lock on the interconnect cable socket until it stops and the cable is no longer locked in.
Slide the interconnect cable out of its socket on the motherboard.

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Paso 10

Remove the top half of the mouse.

Paso 11

Use a pair of tweezers to grip the top of the battery connector.
Always pull cables by their connectors and not the wires themselves.
Gently rock the connector side to side and pull it out of its socket.
The connector is held tightly within its socket. If it feels stuck, try a different grip—use the protrusions around the neck of the connector if you need more leverage.

Paso 12

Use a Phillips screwdriver to remove the two 3.5 mm-long screws securing the battery housing.

Paso 13

Remove the battery housing.

Paso 14

The battery is secured within its housing by some light adhesive.
Flip the battery housing over so the battery is facing down.
Apply a heated iOpener to the battery housing for about 2 minutes to soften the battery adhesive.

Paso 15

Insert the long edge of an opening pick between the battery and its housing at the side opposite the battery cable.
Push the opening pick under the battery and lift up to pry the battery out of its housing.
Make sure you push underneath the battery and not into it. Don't bend, crease, deform, poke, or puncture the battery—a damaged battery is a potential fire hazard.
If you encounter significant resistance, pause and reheat the adhesive.
Remove the battery.
To install a new battery:
Use a spudger or your fingers to peel any old adhesive off of the battery housing. The old adhesive shouldn't leave any residue.
If your new battery doesn't come with preinstalled adhesive, place a couple strips of double-sided tape into the battery housing. Press the battery firmly into place to secure it.

Conclusión

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.

To reassemble your device, follow the above steps in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.