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  Cure for Aging Mouse Buttons-Swap Internal Switch 
 Date Written 
john albrich Jun 17, 2011, 02:06pm EDT Report Abuse

This may not be possible for some, but in my case I've saved 6 mice (2 of mine and 4 family mice) this way. Total savings close to $300.

When a button begins to fail it's really irritating, esp on a mouse that otherwise works great and may no longer be available.

There's a way to fix this on wireless mouse without impacting ANY other regular mouse operations.

All I did was unsoldered and swapped the positions of the internal 'left-click' switch and the 'reset' switch. It takes me about 30 minutes. A couple mice were more difficult to reassemble...damn designers.

The 'left-click' button now works great, and the reset button works "well enough" for the very infrequent need to reset the wireless connection. (And of course if the button is totally trashed, just remove the batteries and/or remove the wireless receiver for a bit to reset the connection.)

If you don't have a 'reset' button, use another switch that is used less often (e.g. one of the scroll-wheel buttons on that kind of just lose that button...not the scrolling or the other buttons). You may even be able to use a button from another mouse if from the same manufacturer. I've found the switches inside a given mouse series are usually the same size/design, but once you go to a different mouse they may use different sized/mounting-points switches.

edit to add:
While an inexpensive solder-sucker (aka desoldering tool) definitely helps, it isn't required.

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Dr. Peaceful Jun 20, 2011, 11:23am EDT Report Abuse
>> Re: Cure for Aging Mouse Buttons-Swap Internal Switch
Very good tips, John. Quite a bit of retro-engineering there.

You saved 6 mouses, now you can call yourself the "Mouse Saver". You should start your own mouse clinic to save more mouses (sp) by performing surgery on them with a soldering iron. Hopefully, the American Veterinary Medical Association will approve your practice. ;)

Meats_Of_Evil Jun 20, 2011, 10:33pm EDT Report Abuse
>> Re: Cure for Aging Mouse Buttons-Swap Internal Switch
Dude! I would really really like to know if I can fix my mouse! I have a razer diamondback and its very old now and its still going strong but the left mouse has been through some hardcore gaming abuse and it will only click on the very outer edge of the button not in the middle like the right click does. I've opened the mouse several times before and have tried to see if I can fix it but my silly caveman methods do not work.

Care to post any pics of the process? I can probably take some pics of the inside of the mouse to show you and see what you think.

Everything I write is Sarcasm.
john albrich Jun 21, 2011, 08:01am EDT Report Abuse
>> Re: Cure for Aging Mouse Buttons-Swap Internal Switch

Instead of taking and posting some likely poor quality photos, I looked for some decent vids on subjects similar to dealing with the mouse switches.

Each video has an incrementally little bit more useful info and comments to add. I think this is better than my posting pictures.

Note: during desoldering and soldering you have to be careful not to overheat the board and circuit pads. You can damage the board. It's a good idea to practice first...several times...on some scrap PCB board with similar devices on it that you've taken out of some junk electronic item. You do not need very high wattage soldering tools/settings to do this.

For personal, limited life items (like a mouse) you can also get away with not doing EVERYTHING to prepare a solder joint. For example you may not have to clean off all the old solder, and you probably won't have to use additional flux. Often the flux in normal electrical "rosin" core solder will be more than sufficient to make an excellent connection. Also, with items you don't expect to last more than a few years you can likely get away with NOT cleaning off any flux residue. This is NOT ideal, but face it, we're not talking about a critical circuit here. Flux residue IS slightly corrosive...some electrical circuit fluxes more than others. Do not use plumbing flux under any conditions.

If you feel you must remove the flux residue after soldering things back together, find some 99% isopropyl alcohol. 91% is "ok" but you may need to provided added drying time for the extra water to evaporate. 70% "rubbing" alcohol is not recommended. A "good" pharmacy will carry the 99% stuff. Call ahead to verify. Or, you can buy "flux cleaner" at an unbelievably outrageous price at an electronics store. The flux cleaner and the alcohol are extremely flammable. BE CAREFUL re sparks, flames, and heat sources. I never keep a full bottle near the work bench. I pour some into a very small sealable container and use that.

I recommend watching the last video just because it's a good overall demo. Pin-in-hole demo is at the 3:15 mark. It shows what a skilled person can do.

Desolder and resolder a part
power jack (SIMILAR to what you find with a microswitch case tabs and signal leads)
This one uses a "solder sucker" tool (about $5-$10 at place like radio shack). Usually either a plunger type or a vacuum "bulb" type.
This vid uses a "plunger" type of solder sucker.

capacitor (this vid is kind of primitive, using primitive tools)

using copper braid

using a "solder sucker" tool with a vacuum pump (quite a bit more expensive)

Another "plunger" type solder sucker demo

GENERAL soldering "technical" discussion/demo

GENERAL soldering demos (surface mount, pin-in-hole, terminals, wire-to-wire)
I'm including this one mainly because it has EXCELLENT close-ups and shows some good techniques for various types of soldering



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