Introduction
Follow this guide to open your Logitech MX Ergo wireless mouse.
Opening your mouse gives you access to clean its internals, troubleshoot mechanical problems, or replace a part.
What you need
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Before you begin, flip the mouse's power switch into the OFF position.
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Unplug all cables from your mouse.
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Remove the magnetic cover by pulling it away from the bottom of your mouse.
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Use a Torx T6 screwdriver to remove the six 5.7 mm-long screws securing the two halves of the mouse together.
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Insert a spudger into the hole on the bottom of the mouse, beneath the trackball.
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Use the spudger to push the trackball out of its recess.
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Remove the trackball.
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Insert the tip of an opening pick into the seam between the two halves, near the middle of the right edge.
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Twist the opening pick to release the plastic clip.
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Gently lift the top half and place it to the left of the mouse so you can access the internals.
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Use the point of a spudger to gently lift alternating sides of the black sliding latch on the interconnect cable socket.
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Lift the top half of the mouse straight up and remove it.
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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 you install it.
To reassemble your device, follow these instructions in reverse order.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
Reuse or Recycle—Never put discarded electronic parts in household waste. Visit Logitech Recycling to find your nearest recycling points, including the option to mail back old devices to Logitech for free if there’s no convenient solution in your area. You can also take your e-waste to any R2 or e-Stewards certified recycler. And don’t let good working parts or repaired devices die a slow death in your sock drawer—pass them along to someone who can use them.
Share your experience—Leave a comment here or send your feedback directly to Logitech at repair@logitech.com to help shape future repair guides and product design.
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5 Guide Comments
Thank you. It was quite a coincidence that I found this because I had just purchased that fix it repair tool kit. It was pretty handy that I had it all right here in front of me. Thanks again you made it easy.
Hi @martilynn, thank you for sharing your experience! We're glad that the guide was useful for your repair.
Actually not necessary to remove the interconnect cable, and I wish I had not. Instructions do not include reassembly.
