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Featured Guide
Difficulty
Moderate
Steps
16
Time Required
20 - 30 minutes
Sections
3
- How to Power Off a Logitech MX Ergo
- 1 step
- How to Open the Logitech MX Ergo
- 11 steps
- Battery
- 4 steps
Flags
1
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Introduction
What you need
Step 1
Power off the mouse
- Before you begin, flip the mouse’s power switch into the OFF position.
Before you begin, flip the mouse’s power switch into the OFF position.
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Step 2
Remove the cover
- Remove the magnetic cover by pulling it away from the bottom mouse half.
Remove the magnetic cover by pulling it away from the bottom mouse half.
Step 3
Remove the case screws
- Use a Torx T6 screwdriver to remove the six 5.7 mm-long screws securing the two halves of the mouse together.
Use a Torx T6 screwdriver to remove the six 5.7 mm-long screws securing the two halves of the mouse together.
Step 4
Remove the trackball
- Insert a spudger into the hole on the bottom of the mouse, located under the trackball.
- Use the spudger to push the trackball out of its recess.
- Remove the trackball.
Insert a spudger into the hole on the bottom of the mouse, located under the trackball.
Use the spudger to push the trackball out of its recess.
Remove the trackball.
Step 5
Unhinge the plastic clips
- There are clips all around the perimeter of the mouse case holding the two halves together.
- Insert an opening pick into the gap on the right side of the mouse.
- Rotate the opening pick about 30 degrees to unhinge the plastic clip.
There are clips all around the perimeter of the mouse case holding the two halves together.
Insert an opening pick into the gap on the right side of the mouse.
Rotate the opening pick about 30 degrees to unhinge the plastic clip.
Step 6
- Slide the opening pick to the lower right side of the mouse.
- Rotate the opening pick about 30 degrees to unhinge the plastic clip.
Slide the opening pick to the lower right side of the mouse.
Step 7
- Slide the opening pick to the bottom side of the mouse.
- Rotate the opening pick about 30 degrees to unhinge the plastic clip on the bottom end of the mouse.
Slide the opening pick to the bottom side of the mouse.
Rotate the opening pick about 30 degrees to unhinge the plastic clip on the bottom end of the mouse.
Step 8
- Slide the opening pick to the center of the left side next to the recess of the trackball.
- Rotate the opening pick to unhinge the remaining plastic clip.
Slide the opening pick to the center of the left side next to the recess of the trackball.
Rotate the opening pick to unhinge the remaining plastic clip.
Step 9
Create access
- Don’t completely separate the two halves yet—they’re still tethered together by a delicate cable.
- For better access, place the top half of the mouse to the left of the lower half of the mouse.
Don’t completely separate the two halves yet—they’re still tethered together by a delicate cable.
For better access, place the top half of the mouse to the left of the lower half of the mouse.
Step 10
Disconnect the interconnect cable
- Use the pointed end of a spudger to gently lift the left side of the black sliding lock on the interconnect cable socket until it stops.
Use the pointed end of a spudger to gently lift the left side of the black sliding lock on the interconnect cable socket until it stops.
Step 11
- Use the pointed end of a spudger to gently lift the right side of the black sliding lock on the interconnect cable socket until it stops and the cable is no longer locked in.
Use the pointed end of a spudger to gently lift the right side of the black sliding lock on the interconnect cable socket until it stops and the cable is no longer locked in.
Step 12
Remove the top half of the mouse
- Remove the top half of the mouse.
Remove the top half of the mouse.
Step 13
Disconnect the battery
- Use the pointed end of a spudger to push the battery connector up and out of its socket.
Use the pointed end of a spudger to push the battery connector up and out of its socket.
Step 14
Pry out the battery
- 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 off of its housing.
- Make sure you push underneath the battery and not into it. Don’t bend or deform the battery.
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 off of its housing.
Make sure you push underneath the battery and not into it. Don’t bend or deform the battery.
Step 15
Lift out the battery
- Use you fingers to lift the battery out of its housing.
Use you fingers to lift the battery out of its housing.
Step 16
Remove the battery
- Use your fingers to carefully pull the cable out of the socket.
- Remove the battery.
- Do not reuse the battery after it has been removed, as doing so is a potential safety hazard. Replace it with a new battery.
- It is likely you can reuse the old adhesive with the new battery. If you wish to replace the adhesive instead, remove the old adhesive and wipe away any adhesive residue with a lint-free cloth and high-concentration isopropyl alcohol.
- Follow this guide to install new precut adhesive.
Use your fingers to carefully pull the cable out of the socket.
Remove the battery.
Do not reuse the battery after it has been removed, as doing so is a potential safety hazard. Replace it with a new battery.
It is likely you can reuse the old adhesive with the new battery. If you wish to replace the adhesive instead, remove the old adhesive and wipe away any adhesive residue with a lint-free cloth and high-concentration isopropyl alcohol.
Follow this guide to install new precut adhesive.
If possible, turn on your device and test your repair before installing new adhesive and resealing.
Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the device at the places where the old adhesive was located, not directly onto the battery. Press the new battery firmly into place.
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.
For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.
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.
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Adriana Zwink
Member since: 12/18/2019
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Corey Trueman - Jul 14, 2022
Reply
This guide is fantastic! It was super easy to fix! Thanks!
DJSan - Dec 16, 2022
Reply
Thank you for this !! Visited this site before for other tutorials you guys are great. This was easy to follow worked good for me.
