I have an HP41CV which just started doing odd things which I believe may be caused by dirt or dust between the keys and contacts. I would like to clean those contacts but really don't know how to take the outside case apart! Looks like it might be friction and could be pried apart, but I'd like some expert guidance. Someone in this forum mentioned they had cleaned the contacts and corrected a similar problem. Any ideas would be helpful. Tom
HP41CV--Clean Keys
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