I had a HP-42s sitting around for a year or two that I didn't use. I decided I needed it again and put fresh batteries in it. I couldn't get it to power up. The old batteries didn't leak. I had the same thing happen with my old HP-41CV from college, but I just figured it was age. Now I'm thinking it's a conspiracy ;-) since it happened again. Is there anything special I need to do to get it to power up when it hasn't been used in a while?
HP-42s batteries...
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