I'd swap the switches over between right and left button, double right clic= k seems fairly harmless on most Windows operations. Kind Regards, Robin Bussell, -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of= James Cameron Sent: 08 July 2016 05:50 To: piclist@mit.edu Subject: [EE] likely Omron microswitch failure modes G'day, I've a favourite mouse. I've serviced it a few times, but it is developing= an irritating problem; multiple click events received for a single down pr= ess of the most used button. I've already tried reflowing the PCB pads. Speculations are welcome. This might be the next thing I'll try; checking the spring inside the switc= h cover. http://electronics.stackexchange.com/questions/29955/how-do-i-fix-an-omron-= d2fc-f-7n-microswitch-from-unwanted-clicks/29967 -- James Cameron http://quozl.netrek.org/ -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/chang= e your membership options at http://mailman.mit.edu/mailman/listinfo/piclis= t --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .