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Martin
Martin, Engineer
Category: Consumer Electronics
Satisfied Customers: 4810
Experience:  16 years, include works in aluminium plant, industrial machinery, military weapons, programming
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I have an HP 48SX calculator that will not turn on. I put

Customer Question

I have an HP 48SX calculator that will not turn on. I put new batteries in, and it still will not turn on. Please help!
Submitted: 11 months ago.
Category: Consumer Electronics
Expert:  Martin replied 11 months ago.

Hi Those can hang and require a rest or they get dirty in the keyboard contacts or the plastic shking and bow making you have to push on it to flatten it so that the ON contact work. I was not remembering where the reset was exactly and it seem to be in different area depending of the revision, here is info about many of the possible location:

http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv014.cgi?read=61858