iFixit - Active Questions With Device "Logitech MX Master Series Mouse"

Logitech MX Master 2S: 사용중 전원이 꺼지고, 다시켜면 수분 작동 후 꺼집니다

Wed, 23 Apr 2025 04:59:12 -0700

사용중 전원이 꺼지고, 다시켜면 수분 작동 후 꺼집니다

Logitech MX Master 3S: 스크롤 휠 상태가 고정되어있음.

Mon, 08 Jan 2024 01:02:15 -0700

초고속 스크롤 휠 상태에 고정되어

래치 모드로 변환이 안됨.

Logitech MX Master 3S: The device is un-responsive

Sat, 18 Apr 2026 07:04:17 -0700

The device become unresponsive without any pre failure notice, I have disassembled it for further check and reading is as follow

The battery charge is 4.1V

When cable is connected the battery slot shows 4.5V with the battery discounted

Even though no singe led shows sign of life, and no connection or status on the back side shows sign of connection

Any suggestions to repair

⟐ Commented 4월 18, 2026 at 7:04 GMT-7

Logitech MX Master 3S: Mother Board problem solve

Sat, 18 Apr 2026 06:43:43 -0700

Any idea where to buy Mx 3s mother board i have to replace it

⟐ Commented 4월 18, 2026 at 6:43 GMT-7

Logitech MX Master 3S: Cannot click left button

Tue, 31 Mar 2026 14:22:48 -0700

I bought this gear for around 1 year but it seems broken. I cannot click right properly. I have to click multiple times to complete the task.

⟐ Answered 3월 31, 2026 at 14:22 GMT-7

Logitech MX Master: Left click doesn't work all the time

Fri, 13 Mar 2026 00:16:17 -0700

The left click doesn't work properly,

⟐ Commented 3월 13, 2026 at 0:16 GMT-7

Logitech MX Master 3S: Both left and right buttons malfunctioning

Fri, 06 Mar 2026 06:20:21 -0700

Less than a year after purchasing the MX Master 3S, the left button started to not register clicks (about 2/3 of the time) and shortly after, the right button followed the same issue.

I would really like to have a guide on replacing switches and the parts that fit here.

Thanks,

⟐ Commented 3월 06, 2026 at 6:20 GMT-7

Logitech MX Master 3: Why it’s continuously blinking in red

Sat, 28 Feb 2026 16:30:28 -0700

Hi my mice started to blink continuously in red I tried to charge it and I tested individually without the battery, so it’s no the battery, it’s look like a permanent dead or is having a short circuit

⟐ Answer edited 2월 28, 2026 at 16:30 GMT-7

Logitech MX Master 3S: Logitech please please start selling replacement shells for the 3S

Tue, 24 Feb 2026 16:45:53 -0700

Bought a white refurb 3S several months ago and it's been a great mouse so far. However the rubberized finish means it stains really easily and is impossible to remove (I first accidentally got stains on it after peeling oranges) and now it looks awful.

It's very difficult to get hold of a replacement shell for the 3S (and non-S shells aren't compatible because the switches use a different spring), is Logitech intending to sell those as a replacement part anytime soon?

⟐ Answered 2월 24, 2026 at 16:45 GMT-7

Logitech MX Master 2S: Sensor no longer picking up movement.

Wed, 11 Feb 2026 06:16:09 -0700

All other functions of the mouse work normally, it just will not pick up movement.

⟐ Commented 2월 11, 2026 at 6:16 GMT-7

Logitech MX Master: Mouse doesn't show up on Screen

Fri, 06 Feb 2026 08:03:47 -0700

This could be the case if the Thumb Button is always pressed

The Softcase above the Button won't go back to release the button

My first Private mouse has a hole in the case to use the mouse normaly without the thumb button

Logitech MX Master 2S: Rubber material under the thumb area

Fri, 30 Jan 2026 15:39:08 -0700

The rubber area under the thumb to ring finger has degraded after extensive use, and there is even a rupture in the rubber material where the thumb can click down. I'd like to replace the rubber material only. Please advise.

⟐ Commented 1월 30, 2026 at 15:39 GMT-7

Logitech MX Master 3: Not working but green light is blinking

Sun, 11 Jan 2026 11:10:29 -0700

My Mx Master 3 mouse just run out of battery. I am trying to charge it, but it seems that there is an issue with the charging of the mouse. when I plug it in the charger, no lights blink (as usual), when I plug it out, it starts blinking green but in a strange pattern. Not the charging pattern, nor the low battery pattern.

Regardless of the green blinking light, I cannot access any of the devices from the bottom of the mouse and it seems to not connect to anything. My mac is saying that the mouse is at 5% but cannot connect to it like normal.

Open to suggestions

⟐ Commented 1월 11, 2026 at 11:10 GMT-7

Logitech MX Master 3: Grey housing turns ugly very fast. Please support replacement Parts

Sun, 04 Jan 2026 22:45:02 -0700

The grey housing on the MX Master 3 looks amazing but turns yellowisch and ugly in just a few month with sweaty hands. The housing is probably one of the cheapest parts to manufacture.

Could you please support a change of the outer housing of the mice?

⟐ Answered 1월 04, 2026 at 22:45 GMT-7

Logitech MX Master 3S: What kind of switches does Mx Master 3s use?

Fri, 05 Dec 2025 11:28:46 -0700

What kind of switches does this mouse use and what is their estimated number of clicks? This question is also related to side navigation buttons. In my experience these buttons typically break first.

⟐ Commented 12월 05, 2025 at 11:28 GMT-7

Logitech MX Master 3S: Side button switches? which are used, which do you suggest?

Sun, 23 Nov 2025 11:18:19 -0700

Using the top side button as a middle mouse click, the switch is wearing down, which switch can I replace it with?

Logitech MX Master 2S: Mouse Sensor Stopped Detecting Movement – Help Needed

Sat, 22 Nov 2025 08:18:29 -0700

My mouse is working fine in every other way, but the sensor no longer detects movement. Clicking, scrolling, and buttons all function normally.

Has anyone seen this issue before? Any tips for troubleshooting or fixing the sensor would be appreciated.

Logitech MX Master 3S: Logitech MX Master 3S get wet!

Thu, 02 Oct 2025 10:33:49 -0700

Logitech MX Master 3S get wet and stop working. I have disassembled few times, used electronic cleaner for all boards but no success. Charging light always red regardless how long I am charging. What to do?

⟐ Commented 10월 02, 2025 at 10:33 GMT-7

Logitech MX Master 3: Scroll wheel press is not working properly

Sat, 27 Sep 2025 08:46:27 -0700

Hi Team,

My MX Master 3 mouse scroll wheel click is not working properly. I used to work with CAD designs, for that i need to press hold the scroll wheel to rotate the cad models. Recently i am facing this issue, while holding the scroll wheel press is not holding properly. I am pressing and holding it very hard. I think press button for scroll wheel is damaged. If it is the case, please let me know how to repair or replace it. Appreciate your support and solution.
Thank you,
Gowtham VSV

Logitech MX Master 3: Left click not working randomly

Fri, 26 Sep 2025 04:52:38 -0700

Hi There,

I have a 3 year old MX Master 3, that from time to time does not register left clicks. The click feels normal, but it doesn't happen on the OS. I tried it with Windows, MacOS and iPadOS all with same behavior.

Is it possible to replace the switch?

Thanks in advance,

⟐ Commented 9월 26, 2025 at 4:52 GMT-7