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Re: HP 200LX does not work after changing batteries
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Richard Pennenga
Aug 13, 2021, 12:24:09 PM8/13/21
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On Wednesday, April 9, 1997 at 3:00:00 AM UTC-4, HANK KESSLER wrote:
> I remove the batteries regularly from the HP and don't have reset or
> powerloss problems.
> Something else must be wrong with that unit. I have used alkaline,
> litiums and nickel metal hydrides. I run the unit till I get a low
> battery warning. I turn off the HP, remove the old batteries and
> replace with new ones. No loss of data. Maybe the coin cell was not
> good or not in contact.
> In addition, one should never pull all the batteries. A hard reset is
> the method to restore the HP - press all at once - Ctrl-left shift-ON
> and answer NO to the question on initialization.
I grant that this is a really-old post, but I feel sad. I found my HP200LX after having lost it for quite a few years. It seemed to be lifeless. Yesterday I was following some instructions - I had pulled out the button cell (left it out), pulled out the two alkaline batteries, and then inserted brand-new alkaline batteries. I saw the initial prompt flash onto the screen, stopping with the "initialization" prompt - and then in a moment, a fraction of a second, the screen went blank.
I tried removing and re-inserting the alkaline batteries with the button cell out - no action. I tried WITH the button cell in place - no action. I tried the Ctrl-left shift-ON combination - no action.
Is my device dead?
> I remove the batteries regularly from the HP and don't have reset or
> powerloss problems.
> Something else must be wrong with that unit. I have used alkaline,
> litiums and nickel metal hydrides. I run the unit till I get a low
> battery warning. I turn off the HP, remove the old batteries and
> replace with new ones. No loss of data. Maybe the coin cell was not
> good or not in contact.
> In addition, one should never pull all the batteries. A hard reset is
> the method to restore the HP - press all at once - Ctrl-left shift-ON
> and answer NO to the question on initialization.
I grant that this is a really-old post, but I feel sad. I found my HP200LX after having lost it for quite a few years. It seemed to be lifeless. Yesterday I was following some instructions - I had pulled out the button cell (left it out), pulled out the two alkaline batteries, and then inserted brand-new alkaline batteries. I saw the initial prompt flash onto the screen, stopping with the "initialization" prompt - and then in a moment, a fraction of a second, the screen went blank.
I tried removing and re-inserting the alkaline batteries with the button cell out - no action. I tried WITH the button cell in place - no action. I tried the Ctrl-left shift-ON combination - no action.
Is my device dead?
Ted Heise
Aug 13, 2021, 2:52:06 PM8/13/21
to
key (like the power key) for a period of some seconds while
all batteries are out to discharge any capacitors before putting
batteries back in, but could be wrong.
Believe it or not, there are still HP 200LX users on a list, you
could try here:
http://lists.hp200lx.net/cgi-bin/mailman/listinfo/hplx
--
Ted Heise <the...@panix.com> West Lafayette, IN, USA
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