Computer Mouse Repair (switch replacement)
Computer mice often suffer from a failure of the left-click switch; the left switch being used perhaps 20 times more often than the right-click. If one were to click say once every 5 seconds for an 8-hour day for 5 days a week that adds up to 1.5 million clicks a year so it is not surprising a left mouse switch may only last 3–5 years.
One solution is to add silicone oil and this may gain one a few years, but a better solution might be to replace the micro switch with one that may last longer than that of the original.
Logitech seem to have moved from Omron to Kailh micro switches these days, so the GM 8.0 offering by Kailh (which has a claimed 80 million click lifetime) seemed like a good way to go.
Normally I would replace all the switches but given that the left switch is used maybe 20 times
more often than the right switch suggests that it is better Engineering to just replace the left switch.
This article was written by Anwar (Andy) Shiekh originally from London, England; he repairs things to help make an income go further and presently teaches Physics in Colorado, U.S.A.
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Note: You can check his previous repair article on Smoke Alarm Repair