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Introduction

So I soaked my mx ergo. this is how I disassembled and cleaned it.

  1. Remove six T6 screws from the bottom
    • Remove six T6 screws from the bottom

  2. Slide a prying tool under the rightmost button and follow the seam back till the top half unclips
    • Slide a prying tool under the rightmost button and follow the seam back till the top half unclips

  3. Carefully lift the top shell.
    • Carefully lift the top shell.

    • Do not remove the flap from the connector.

    • Release the flex ribbon from its socket.

  4. Lever the scrollwheel sub-assembly free
    • Lever the scrollwheel sub-assembly free

  5. Unplug the battery from the mainboard, carefully lifting the plug marked blue
    • Unplug the battery from the mainboard, carefully lifting the plug marked blue

    • Unscrew the three screws holding the battery submodule

  6. Unscrew the bottom left screw holding down the fwd/rev buttons, lifting the assembly to the side Unplug the flex ribbon indicated in blue, coming from the power board below. Remove the six screws holding the main motherboard (one indicated orange here, just out of shot).
    • Unscrew the bottom left screw holding down the fwd/rev buttons, lifting the assembly to the side

    • Unplug the flex ribbon indicated in blue, coming from the power board below. Remove the six screws holding the main motherboard (one indicated orange here, just out of shot).

  7. Unscrew the three screws holding the power board i place. Take care not to loose the power switch below as you take the last bits apart.
    • Unscrew the three screws holding the power board i place. Take care not to loose the power switch below as you take the last bits apart.

    • These three screws are a bit shorter than the rest, so keep them separate

  8. There you go, all disassembled. Now remove spilled coffee. There you go, all disassembled. Now remove spilled coffee.
    • There you go, all disassembled. Now remove spilled coffee.

  9. The right click lever comes out after the bracket covering the ribbon cable The Right click lever comes out through the front/top of the mouse Then the circuit boards can be removed
    • The right click lever comes out after the bracket covering the ribbon cable

    • The Right click lever comes out through the front/top of the mouse

    • Then the circuit boards can be removed

  10. Under the circuit boards there is three piece that need to come out next The first has one screw and two clear pieces that transmit the light from the circuit board to the outside of the mouse and hole to allow another to pass through it Then the computer selector switch lever can come out the front/top of the mouse
    • Under the circuit boards there is three piece that need to come out next

    • The first has one screw and two clear pieces that transmit the light from the circuit board to the outside of the mouse and hole to allow another to pass through it

    • Then the computer selector switch lever can come out the front/top of the mouse

    • After that the connecting light indicator transmitter will fall out and the left click lever can be removed

  11. Under the left/right click levers there are 2 springs that are very easily bent These springs are tiny and made of non-ferrous metal, be careful.
    • Under the left/right click levers there are 2 springs that are very easily bent

    • These springs are tiny and made of non-ferrous metal, be careful.

    • My mouse was not returning the left click lever every now and then after I dropped it. The cause was the spring got all bent of shape. I was able to get the left looking like right and reinstalled mouse is working fine now.

Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

Jørn-Stian

Member since: 04/23/2020

199 Reputation

1 Guide authored

2 Comments

Thank you for the guide. The opening was hilarious— a picture says 1000 words.

I wanted to add a note that you need to use a T6 with a very long neck like the one iFixit offers for sale; an ordinary bit with a ~ 1/2” or ~1 cm long head will not be able to reach the two next to the opening to the thumb ball.

Allison Adz - Reply

I had the same issue as you. My left click got damaged somehow and wouldn’t “return” when I clicked it. Opened it up, took both springs out and compared them. Looks like the left click spring got bent somehow. Straightened it up a bit and put it back in, seems to work perfectly now! I was going to buy a new one, but now I don’t have to. Thanks for the guide and +1 for iFixIt!!!

B T - Reply

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