HP Forum Archive 18

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HP 41CV repair required Message #1 Posted by Geoff (Wales) on 20 Apr 2008, 12:32 p.m. Hi Can anyone help please? After 29 years of use my HP41CV seems to be broken?! A few weeks ago, the display went erratic but that resolved itself after I opened the casing slightly to look inside (and then thought better of it and closed it). Now, when I press 'ON' the calculator just beeps once and the display is blank. Is there a simple solution to this that I am missing? If not, then does anyone provide a repair service? Thanks Geoff

Re: HP 41CV repair required Message #2 Posted by jbssm on 20 Apr 2008, 5:46 p.m., in response to message #1 by Geoff (Wales) Hello Geoff, try this simple procedure. With the calculator switched off press: [BACKSPACE]+[ON] If it doesn't work at 1st try a few more times.

Re: HP 41CV repair required Message #3 Posted by gileno on 20 Apr 2008, 7:28 p.m., in response to message #1 by Geoff (Wales) Removes the batteries and leave 12 hours. Did you use some module? Synthetic programming? Old batteries?

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