Introduction

If you need to repair the buttons on your Logitech Pebble M350/M355 mouse, follow this guide. This guide will show you how to disassemble the mouse to reach the scroll wheel and buttons and apply a small amount of lubricant to them.

Many users of this mouse have encountered a problem where the buttons eventually stop working. Since this isn't ideal for a device you use every day, the purpose of our guide is to provide a simple solution for this common problem.

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    • Use your hands to remove the magnetic top panel of the mouse.

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    • Remove the USB adaptor in the small rectangular hole on the lower right corner.

    • Remove the battery.

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    • Use a Phillips #000 screwdriver to remove one screw holding the inner panel in place.

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    • Remove the the inner panel.

    • This may take a little bit of effort but it should come off fairly easily.

    • You can use the battery socket as leverage to remove the panel. To avoid breaking the panel, be gentle but firm.

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    • Use a fine-tipped object or a Q-tip and dip it in a small amount of oil.

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    • Gently wipe the metal axle where the scroll wheel is mounted with a small amount of 3-in-1 oil.

    • Repeat for the left and right click buttons.

Conclusion

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

Emma Whitmer

Member since: 19/04/23

151 Reputation

2 comments

At first i'm laugh about fixing button with oil, but then i tried it... and it worked like a charm!

Marat -

I didn't even disassemble (unscrew) my pebble. Just applied a drop of mineral oil to the button and it did help a lot! Thanks!

Tomek Luzak -