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I have a Logitech wireless laser mouse and after a year or so of use, the left click button would double click every time I tried to single click something. As can be imagined, this gets frustrating very fast. So, being the tinkerer that I am, I decided to open her up and see if it could be repaired. Sure enough, It's a pretty simple fix, if you have some common tools and a teaspoon (edit:a tablespoon) of patience. There are some very small parts involved, so you will want to make sure you ware working in a well lit, clean environment so that any parts that are dropped can be easily found. I have now performed this fix for the third time and decided to take pictures this time to share with others who may find this useful. Each time the repair lasts about 6 months to a year before needing to be redone. I imagine at some point the piece causing the problem will break, at which time the mouse will need to be replaced (unless you're determined enough to try and source parts). Good luck with your repair, I hope this helps.

EDIT: There are quite a few comments about the difficulty of step 8. I would advise that you read through some of the comments for various approaches to completing that part of the repair.

Step 1: Remove batteries

Picture of remove batteries
If you are working on a wireless mouse, you will want to first open the battery cover, and remove the batteries from the mouse.
 
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artimis36d made it!1 year ago

Thank you very much. It took me around 15 mins to complete the fix (on a second attempt).

Actually
you just need to increase the strength of the curved part (the spring),
so you can use a steel rule or whatever to slightly flatten the curved
spring, then put it back on the contacts.

After you flattened the spring, it will be harder for you to put it back on the tiny switch.
I don't have tweezers with me, I used a pair of nose pliers to put the spring back in place. My mouse is like new again.

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dmiranda81 year ago
I cant believe it worked. After some yelling and time I finally got the damn copper piece into place. THANKS!
csheng11 year ago
Hi, thank you very much for the great tutorial - I've tried it and my mouse is working fine. May I suggest that for step 8: Reinstall tension spring, you (1) place the curved tab (which is in the middle of the spring) at an angle on the tiny ledge of the metal piece on the mechanism first, then (2) hook the spring onto the front part of the mechanism, before finally (3) sliding the spring beneath the rear part of the mechanism?

I did not have much luck with the original action series of 2-1-3 until I tried 1-2-3 and the whole spring just slid into place while pivoting on the middle curved tab.

Hope this helps. And once again, thank you!
CarlosA44 made it!11 days ago

I got in ~ 2 hours! it worked! Man the tension spring part was a pain!!

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Courtoisix16 days ago

Great ! It solved the « double » click problem for my Logitech mouse :)

YusufS121 days ago

just wanna add, if you are at work, almost certainly your IT guys will have some scrap mouse lying around. You can also salvage the whole mechanism box from those scrap mouse and replace it with a quick soldering

DianaC1426 days ago

Great tutorial! I was almost there-- put it back together and everything-- before I wanted to adjust the spring some more and LOST IT. But a new mouse isn't that expensive...

I have a wired mouse and everything is basically the same, except I only had 2 screws so the shell slipped off at a weird angle and I accidentally broke a latch (not important). The tiny box that you need to pry the latches off is also a little different, but it's straightforward enough if you take the entire motherboard off so no plastic pieces are in the way. I didn't have tweezers with me either, but I was able to balance the tiny button on the flathead of the screwdriver. Alternatively, you can open the latch/box upside down so you never have to deal with the button coming out.

Thanks!

hopchis26 days ago

Worked like a charm. To save some people some sanity, let me say you can add tension to the piece without removing it. Simply stick a toothpick under the curved bit of the tensioner and push up. This will straighten the curve a bit which adds the tension - the same thing you are doing when you remove it and then alter it but without the chance of damaging the part in removal or reinstallation.

frEmn (author)  hopchis26 days ago
Great idea! Thanks for the suggestion.
Cozythrias1 month ago

Did this in 10 minutes tops. Had a hard time reinstalling the copper. Very helpful instructable!

_fair_3 months ago

Thanks for your repair instruction. However, I find an script that fix this problem if you are lazy to do the repair. I just used it and it worked. Read on:
http://www.autohotkey.com/board/topic/34911-stop-double-click-if-too-fast/

_fair_ _fair_1 month ago

http://forums.anandtech.com/showthread.php?t=2255541

RonaldS14 made it!1 month ago

Thanks for the great tip!!! it was kind of difficult to put the very tiny copper tension spring back again on the click mechanism but after that surgical action the mouse works like new. Genius NS6000

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TomášP51 month ago

Excellent tutorial! It's all close-up and the actual parts were shockingly small :D Reinstalling the spring was a bit tricky, I noticed the tiny ledge in the middle where the spring goes, but I didn't notice there was a tiny ledge in the hook, I was hooking it all wrong...once I figured that out, it was a matter of a few tries. I hope it won't pop out now, the slide pads DO take damage from being removed and put back and the adhesive doesn't adhere like it used to. THANKS for saving my favourite MX Revolution :-)

JeffW211 month ago

Works great so far. Lost a screw though, but only took about 10 min.

JeffS331 month ago
JeffS331 month ago
nickfaraujo1 month ago

Yeah when doing this please put your finger over the white button! Unfortunately in my case it was red, and when I was trying to release the small black box, it flew away with the red button (on a carpet and dark wooden floors, at night). It took about 2 minutes for me to find the black box, but after almost 10 minutes looking for the small button I gave up. After a few seconds looking at the mouse, I figured I'd use the button from the scroll wheel click, which I don't really use at all. This time, I put my finger over the box and got it off without either of them flying away. But, when I went to put the red button in the other black box, it accidentally fell too. So this time I searched for about 15 minutes and gave up again. Thank god it's a laptop. I guess tomorrow I'll sweep the floor and hopefully it'll show up!

BrightS21 month ago

Did this operation in about 10 minutes on my logitech g500 gaming mouse. I am an IT Expert though.

SimO11 month ago

It works! Thank you so much for this tutorial :)

PatrickR112 months ago

Thanks to you I saved ~$60 towards a new gaming mouse. The only difference is that mine had a groove instead of a hook. I had to slot the back bent piece in first and then the front. Also if someone does this again then do it in the middle of a big table. You'd be surprised how far the tiny pieces (especially the small bit of plastic on the switch) can fly and bounce even on carpet.

GopalS12 months ago

It is a great article for me. I repair monitor,smps, mouse,tv etc but i never repaired this switch, i just replaced it. Now i can repair the switch also. I repaired my mouse switch and it is working like a new mouse. Thanks for the tip.

I need one more help, in usb mouse, it is not detected ( no new hardware found message). Mouse cable is ok, i checked each wire individually, led is lighting but not detecting, Is it a chip problem or something else. Thanks in advance

BlitzB2 months ago

It's helpful but I just use this instead http://sh.st/lDXry after running it, my mouse doesn't double click anymore. But thanks for this, I'll do this and if it's still double clicks I'd just use the tool

Michael93 made it!5 months ago
Thank you very much. Now I can use my gaming mouse back!

But putting the small copper back to it's place really needs some patience.
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Agio Michael932 months ago

That's a G700? Were you able to reuse the teflon pads? They really look like they will end up destroyed if I remove them.. :-/

AjiN13 months ago

Thank you...

Helpful and it works.....

Reinstall tension spring make me annoyed btw :D

EnerGizerAT3 months ago

my old mouse had this problem, really had fun doing it.
step 8 took some time but i think the next time i do it it'll only take me a few minutes :)

fjs made it!3 months ago

Thank you very much for this! My GX DeathTaker was saved. Tried countless times without managing to get the clicker to work until I decided to dissasemble the other one to see the exact shape of the spring and that was it.

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QasimY3 months ago
Anne MarieC3 months ago

Worked! Thanks!

Anne MarieC3 months ago
r0mulux3 months ago

Nice tutorial ! It works. Thanks
A link to test simple / double click : http://unixpapa.com/js/testmouse.html

benard.wamuti4 months ago

i bought a new mouse that developed this problem barely a week later. i tried this trick after reading the article and voila!!! its perfect

benard.wamuti4 months ago
Roofless4 months ago
When my Cyborg M.M.O 7 started doing this. I found a sorce of the switches, very cheap. I think it was $2 for two. Instead of replacing the whole switch again I'm going to try this. If anyone want's that link for some of the switches let me know I'll find it. ¤I love this website¤ This is my new favorate site. Keep tinkering
malkasun4 months ago

really work. magic solution

i made it.

https://anyworks.wordpress.com/2015/04/14/repair-multi-clicking-mouse/

WarricI4 months ago

Many thanks. I had to disassemble it and reassemble it again to make sure I understood it. Tricky but perseverance does it.

kayetidey4 months ago

Thank you very much for these instructions! Following them helped sort an annoying double clicking issue on a generic wireless mouse from eBay - not a lot of money saved but worth it for the satisfaction of fixing it myself. :-) For this mouse reattaching the spring was not too bad as it was possible to completely remove the electronics from the case, making it easier to work on.

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JitendraT14 months ago

Sounds great. I have the same problem. I will apply the procedure and share the results.

Thanks in advance.

fluid_motion4 months ago

Thanks for this tutorial, fixed my double clicking mouse! I broke one of the springs on the first attempt after forcing it out. The trick is to swivel it to the side about the hooked point until it dislodges. Do not just yank it up like I did. After a bit of practise, I could open any of the microswitches with ease. A penknife to lift the plastic cover and tweezers to align the spring can help a lot with this tiny job. This saved me money and extended the life of my mouse.

I also bought a couple microswitches from ebay to replace in future.

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