If you're trying to open up the mouse yourself, note there are (5?) screws at the bottom.
One is immediately visible. 3 are under the rubber feet, and one is hidden inside the battery compartment, covered by the sticker so you need to feel around for the depression to tell where it is. You'll have to poke a hole through the sticker to get to it.
Remove the ball before trying to lift the top cover out.
But I have to agree. This mouse has terrible switches. Everyone else I know who uses it has had the same trouble, with the buttons becoming less responsive/double clicking/etc.
Mine is pretty banged up from having to repeatedly open it up, opening up the microswitches with a sewing needle and spraying contact cleaner (the kind car mechanics use) on the inside. It works but the effect usually only lasts for about 1 or 2 months before I have to do it again.
I'm from a different country so buying stuff from US ebay isn't an option for me. :( I wish I could just replace the switches with nice, durable ones.
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it would be nice to see a detailed cleaning / service post to the click mechanism. mine is unresponsive. i have a digital camera from the middle ages, however, the images are hit or miss as i have no control over the focus. there is a guide on youtube i believe, and another on instructables, but they don't show you how to service the mechanism, if it can even be serviced. i guess i'm going to find out by dissembling the unit one more time. i will attempt a photo shoot
da hamid mazuji
I just disassembled the top (5 screws... one under the battery positioning sticker and 2 under the center front rubber foot and right side rubber foot) and put one drop of WD40 on each of the micro switches... don't spray it on the switches obviously. Spray a puddle on the bench and use a small screwdriver or similar to pick up some of the WD40. Place it on the button for the switch then depress the button allow the WD40 to enter the switch. Cycle the switch multiple times to work the WD40 into each switch. A nice solid click will return to the switches and all of the missed clicks or double clicks are gone.
da Rob Shafer
Great job, Rob! I had the same problem (double click on the left button). Just 2 drops of WD40 and I got a new trackball! Considering that many people had to buy new trackballs, or change their switches, this is the best suggestion I found. Well done, thank you!
da lorenzodeipoli
Great Lorenzo! I have not had another problem with my M570 since doing this back in 2018. Have a great new year!
da Rob Shafer
Thank you! That solved my problem.
da Chris Kringel
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