HP-29C Message #1 Posted by Jorge Sanchez on 8 Feb 2009, 11:10 p.m.
Hey there,
I recently bought an HP-29C on eBay. When I turn it on the display show all 0愀 (ceros) and they keyboard does not responde. The batteries are a reconstructed NiCd I use on a HP-25C where they work flawlessly.
Does anyone know what I could try to fix this issue? Or point me in the right direction?
Thanks in advance!
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