Corsair M65 Pro RGB gaming mouse – Disassembly and repair.

A Corsair M65 has now ended up on the repair bench. It is ours. Crap!

So the Corsair M65 mouse we use on one of our primary PC’s is failing after only a year of operation. Honestly, we didn’t expect it to fail so soon! Partially because whenever a person purchases gaming hardware for everyday office and blogging activities such as what we do. Under less stressful environments the mouse should last a long time! Perhaps it’s also prior to this mouse we installed a Microsoft IntelliMouse for almost 15 years(blog article here). We thought that the corsair should last at LEAST that long. We should also note that during the entire year of operation with this mouse no known abuse has happened to this unit. No liquids or extreme physical abuse such as any long term gaming.

Read on for more!

 

betamax video tape - S-Config.ComVideo mirrors:

In case you have no-script enabled or for some reason cannot see the title video on this website. I have provided direct links for these videos.

  • WebM – Link – This is the newest video standard, works great on Opera, Firefox, Chrome, and newer android phones, not good for Safari, IE, Apple.
  • MP4 – Link – The most compatible codec but also rather large in file size. Make take a while to download.
  • OGV – Link – the fallback codec for older PC’s and Linux USB stick OS’s. 1st generation web video streaming based on Ogg-Vorbis encoding.

The problem – Left mouse clicking issues.

The video above shows very well what the Corsair M65 mouse is doing. Which is when you click and hold on the left mouse button it does not really ‘hold’. The switch makes almost a cold/loose connection and fails to maintain contact at light pressure. This is a huge problem in applications like Adobe Photoshop where you are using the magic want to click-drag around an image. Or worse still if you are using the polygon tool to select points of an image. The left click with its cold contacts can actually register as a very fast double-click. This tells adobe to complete the image selection which is frustrating as hell!

20mm Mouse button.

The problem part which is universal inside of almost every mouse is the 20mm micro switch which is pictured above. Usually these switches do last forever and the only time a user has a problem is if they spilled something into their mouse causing the switches to come up. Or in our face where the switch isn’t making complete contact with the lower metal giving a cold or easily broken connection which the end-user has to press very hard down upon just to keep it stable.

When it comes to the center mouse button the design shifts away from the 20mm switch as you will see later in this article.

Difficulty factor.

I would state that the difficulty is this repair is moderate. You will be removing very small cables similar to cellular phone repair. You must also have knowledge of how to use a soldering iron.

DISCLAIMERS:

Like almost every blog article that we write and to establish grounds of sanity and common sense. S-Config.com is not responsible for anything that you the individual personally do with the information presented here. We shall not be held accountable for any physical, mental, emotional and financial damage that could occur when performing any of the repairs listed upon this website. Always contact your manufacturer and check your warranty prior to doing any repair yourself. If you are uncomfortable with performing the repairs described below then find someone within your local community which can help. S-Config.com does not offer any repair services nor has any intention of making it our business in doing to.

Just as a note for anyone from Corsair reading this. The mouse in this blog is over a year old and thus is out of warranty. There-fore it is no longer your problem anymore!

Addressing the WD40 in the room.

WD40 Cleaner.

I’m not going to name YouTube creators on this one. But there are videos where the fix for cold contacts and sticky mouse buttons is if you simply take it apart and spray it with WD40. We don’t think those creators truly understand what they are telling their subscribers. As WD40 may work for a while. The problems will get worse over time. One of the ingredients of WD40 is mineral oil you have now left a oily surface to which dust and residue can attract and stick onto. Also the interaction with oils on plastic isn’t great. Just don’t do it!

Legitimately the only thing you should be using is canned air to clean dirt out of your mouse. If that’s not enough then it’s time to repair it correctly.

Required tools for disassembly and repair.

Corsair M65 required tools.

You will need the following tools:

  • Screwdriver with a Torx-7 bit for the outside mouse casing.
  • Small Jewelers Phillips screwdriver for removing all of the PCB screws.
  • Small Jewelers Flat-Head Screwdriver for loosening cable clamps.
  • (Optional) Plastic pry-bar. You Could use the screwdriver however metal tends to leave cosmetic damage around the lip of the mouse.
  • Soldering Iron. Any standard 30-35 watt iron should be fine.
  • Solder
  • Cleaning pad to clean your solder.
  • Solder sucker. You could use braid. But don’t like it as it damages the traces on the board you are working on.

Also a good thing to have is a cheap volt meter with a continuity tester to verify your switches operational state prior to soldering them in.

Disassembly of the Corsair M65 Pro RGB mouse.

Corsair Disassembly - Remove bottom screws.

Flip over your mouse and with your Torx-7 bit remove the two screws. We should note that this is actually nice of Corsair. Most hide the screw holes underneath the PTFE pads. But we’re also unsure why corsair used T-7.Why not Phillips like everything else? Oh well.

Corsair M65 Disassembly - Pry along edges to unlatch clip.

Using your plastic pry tool on the rear of the mouse you can separate the plastics on one side and move along to the other side to un-clip the latch. No not pry from the front of the mouse! that is now you break the plastics which your mouse buttons hinge upon! Once the latch is undone the mouse should begin to separate easily for you. Don’t use force to separate the mouse as you could rip the cables from the top of the mouse to the bottom.

Corsair M65 Disassembly - Remove laser edge connector.

You will find out quickly upon opening it that this particular corsair mouse really doesn’t have a ‘Mainboard’ as much as a bunch of sub-assemblies that perform their own functions. As a result you have a two primary edge connectors. One for the laser, and one for the mouse buttons. We shall start with the laser edge connector as we are already facing the back of the mouse. Using your jewelers screwdriver you should be able to loosen the clips by wedging your screwdriver into the latches and pry up very gently. This is not a time to be using force as too much prying will shatter the latch rendering the repair a total failure. Once both latches are pressed up and away from the board you should be able to tug on the cable lightly to unplug the first cable.

 

 

Corsair M65 disassembly - remove mouse cable.

Flip the mouse 180 degrees to the front and repeat the steps similar to the laser assembly. This cable goes off to our mouse buttons and thus is thicker as it controls more lighting. It may require slightly more strength for the black latch to unhook. Once lifted you should be able to pull the cable out easily.

Corsair M65 Disassembly - Remove remaining connectors.

At this point you should be able to flip the cover of your Corsair M65 mouse about half-way off with only two cables still connecting it to the bottom. The USB interface cable and one of the RGB LED cables. Remove both of those and you can then clean/set your upper case aside.

Corsair M65 Pro Disassembly - Removing mouse wheel and switch PCB

Looking inside you will see the part we want which is the mouse switch PCB board underneath it all. Simply remove the two screws. Take note of the different sizes used for re-assembly. Also, since our mouse wheel is nasty looking we click it to the right to remove the plastic wheel from the sensor and pull that out first so clean it. Then with all of the screws gone you should be able to pull straight up and the switch PCB will come out easily.

Repair of the Corsair M65 Pro RGB Mouse Board.

Corsair M65 disassembly - switch PCB

So here it is. The board that is causing our problems. Left and right switches are Omron D2FC-F-7N20M0 with the middle mouse button being an Omron B3F-6020 or B3F-6022 depending on revision for those with a failing middle mouse button.

Now if you prefer new switches then here is a links on where to purchase.:

Alternativly you could also go with cherry switches for your left and right buttons as we think they would be better quality then the Omron.

We were having a hard time find the appropriate cherry for the middle mouse button which is 6mm X 6mm X 5mm in dimensions with only two connector pins no ground pin. If anyone know the Cherry model number for that leave it in the comments below.

Savlage mode.

Dell mouse disassembly - 001

Similar to our Razer Deathadder Chroma mouse blog you can also extract these switches from another mouse such as this dell. The style of switch can be found in almost any mouse including ball mice so if you know someone with a lot of used equipment or even a thrift store. Pick up the mouse and click on it just to make sure the switches sound good when you press them.

We also like these dell mice because it’s one one screw and that’s it. With a simply pry we are inside!

Dell mouse diassembly - 001 remove cables and screws.

Once we’re in and after we remove the cables and screws we now have some left-right mouse buttons that we can salvage! The company “ZIP” cannot be found but the switches at least feel good and we did plug this mouse in prior to make sure that there’s no cold connections going on.

One thing to note is if you are trying to repair your middle mouse button switch it might be harder to salvage. In the picture above the middle-button switch has the dimensions which are more appropriate to repair a Corsair Naga series mouse which needs a 6mm X 6mm X 7mm design..

Dell-Mouse-Disassembly-003

This is another board that we pulled out from a dell-mouse. Once again, the manufacturer changed but the interesting thing is how they used the same switch for the middle as they did for left and right. This isn’t a bad design!

Why salvage instead of buy?

Outside of the fact that recycling is good thing. salvaging allows you to practice your de-soldering skills on something you could care less on. These boards are very simple and thus will be easy to extract these parts which is exactly what you will be doing to the switch board of your Corsair. If you’re going to burn away traces or break switches. This would be the place to do it.

Corsair M65 Disassembly - desolder old buttons.

For those wondering. We de-soldered both buttons because we do not want to have an inconsistent feel when we click on our buttons. We should note that it was slightly harder to remove the switches on this board versus salvaging switches off of the dell. The corsair PCB is multi-layered and the ground-plane required more heat from the soldering iron. But after a bit of wiggling and checking they both came off clean. Also kudo’s for silk-screening the switch placement Corsair!

The middle mouse button switch was not replaced as we barely use it in our day to day blogging life.

Corsair M64 Pro Disassembly - mouse PCB repaired.

Installing the replacement buttons was easy and within 6 points to solder the parts have been repaired. At this point you can simply follow the instructions backwards to re-assemble the mouse. Keep in mind that the edge connector for the buttons will actually click into the socket prior to locking down. The optical assembly edge connector will not click in at all.

 

betamax video tape - S-Config.ComVideo mirrors:

In case you have no-script enabled or for some reason cannot see the title video on this website. I have provided direct links for these videos.

  • WebM – Link – This is the newest video standard, works great on Opera, Firefox, Chrome, and newer android phones, not good for Safari, IE, Apple.
  • MP4 – Link – The most compatible codec but also rather large in file size. Make take a while to download.
  • OGV – Link – the fallback codec for older PC’s and Linux USB stick OS’s. 1st generation web video streaming based on Ogg-Vorbis encoding.

Related Blogs.

Corsair Scimitar Repair Title.Check out the Corsair Scimitar mouse repair for even more disassembly porn!

Razer Deathadder Chroma 2014 mouse repair title.Check out our Razer Deathadder mouse repair blog.

Razer Keyboard Repair Title.Razer BlackWidow Chroma Keyboard repair blog available as well.

Final thoughts.

Corsair M65 RGB Pro Title.

With the switches replaced we’re back online with no false or double-clicking in Photoshop. We can shift-select multiple files without accidentally opening 100+ images at once. We don’t think the Omron switch company a terrible switch manufacturer since they are involved with things such as Razer and Logitech products. So perhaps the dying left click switch is an isolated incident. But as we were tearing apart the Corsair mouse we had more questions then answers. Such as the following:

Corsair M64 Pro Disassembly - Side-buttons.Why use Omron switches for the left and right click. But switch over to third party Chinese switches for the sniper, forward, and back buttons?

We’re not leaders of industry however one of the ways factories keep costs low is by buying one particular brand of switches and circuits and use those units throughout the entire product. Corsair gaming products were known for using cherry switches in their mechanical keyboards. So why not remain consistent in quality for their mice? Why not keep it the same brand using five or even six switches making even the middle button amazing? We’re sure it comes down to someone in a cube farm at Corsair trying to squeeze those pennies as hard as they can. A savings that the average gamer does not see when they spend 50-60(USD) on a mouse.

When that mouse is out of it’s warranty period and breaks prematurely like ours. That gamer is going to do exactly what that cube farm bean counter did and purchase product that isn’t name-brand such as Corsair. Because what the hell is the point if Corsair is unwilling to use high end hardware? Shit, just go get an Microsoft Intellemouse 1.1 for around 20-30(USD) from NewEgg if all Corsair wants to do is sell a mediocre product!  We loved our Corsair Keyboard with its cherry red switches. But this mouse is giving us some serious buyers remorse.

We hope you found this blog informative and thank you for taking a brake from the social networks to check us out. Until then, that’s what server said.

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