My mouse was giving me problems, the left switch was double clicking when it wasn't supposed to, and getting bitchy and a bit harder to click. A few days ago I opened it up and replaced both switches with ones I scrounged out of old meeces; no, not the left or rights, which I threw away, but the center switch which gets seldom used. While I was at it I cleaned out the dust bunnies and gunk from the rollers and ball, etc.
I put it together and used it for a day or two, but the left sw was still bitchy and double clicking. So I pulled it apart again and took a look at the top half, with the buttons that press against the switches. Looked like there was some depression or wear in the plastic tabs, so I removed the left sw and replaced it with another, but this time I soldered it in just a bit off the PCB, so that it has a bit more height.
I put it back together and it works a whole lot better. I guess the plastic on the buttons was getting worn and the added height made all the difference. So I figured that I might save someone a few hassles and let them know that sometimes the switch may not be the problem or the whole problem, there might be a problem with wear on the plastic buttons.
But then many people may consider the mouse as a consumable and just toss it and buy a new one. Whatever makes your day..
Oh, BTW, some of the meece, like microsloth, may look like they're impossible to get apart. That's because they hide the screwhole underneath one of the slider pads on the bottom, so if you peel up the slider pad, you can get to the screw(s). Then replace it when you're done. Just another hint..
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