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HP 360LX turns itself on when charging
Moderators: C:Amie

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Forums · Technical Support · Windows CE 2.0

Posted 2019-03-05 7:43 AM
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H/PC Newbie

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Hello,

I have a new (well, new to me) MC16 aka HP 360LX. I got some NIMH batteries and plugged in a charger. it Charges fine but it just would not switch off. You can try switch the machine off, within 2 seconds it turns itself on again.

I checked the power setting and changed the limited settings avaialble, nothing changes. Is there a way for it to charge and turn off at the same time? I do not want to burn-in the screen.

CHeers
Nelson
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Posted 2019-03-05 9:05 AM
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H/PC Oracle

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It should turn off just fine.

It could be a problematic wake timer. Does it continue to do this after a hard reset?

Do you have a multimeter and can check that the power from the charger is smooth? If it's not the device might be thinking it's being plugged in and out frequently.
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Posted 2019-03-06 11:04 AM
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H/PC Newbie

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HI C:Aime,

Thanks for your kind suggestions. I don't have a multimetre. I do however have another 360LX, i should give that a try when i have a moment.

It is great to see this forum is being actively maintained.

Cheers,
Nelson, from Australia
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Posted 2019-03-06 11:08 AM
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H/PC Newbie

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Quote
C:Amie - 2019-03-05 8:05 PM

It should turn off just fine.

It could be a problematic wait timer. Does it continue to do this after a hard reset?

Do you have a multimeter and can check that the power from the charger is smooth? If it's not the device might be thinking it's being plugged in and out frequently.


Also just donated. Tiny amount. Will donate more in future when circumstance allows.
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Posted 2019-03-06 12:17 PM
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H/PC Oracle

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Thank-you Nelson. Hopefully we can get this resolved with you.

I have applied your Bronze subscription effective from today. Thanks for donating.
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Posted 2019-03-13 12:27 AM
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H/PC Newbie

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Australia
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Interesting, it appears to be a design feature!



(thumbnail_image1 (1).jpg)



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Posted 2019-03-13 2:19 AM
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Writing Team
H/PC Elder

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Hm... I don't know about Windows CE 2.0, but I remember my Windows CE 2.11 Sigmarion 1 could toggle it via a setting... hmm

Or maybe not... Thanks for the screenshot!

Just a thought: Is the NiMH a general use one and over the capacity of the genuine (OEM I mean)? Maybe it is confused as the capacity is different, or the charging characteristic is different or something....

Edited by stingraze 2019-03-13 2:24 AM
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Posted 2019-03-13 8:48 AM
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H/PC Oracle

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Interesting indeed. Must be a quirk of the 360!
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Posted 2019-03-13 4:44 PM
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Factorite (Elite)

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It is. The 360LX charging is monitored by software on the handheld, so it won't turn off while charging. It's been too long, but dif I recall, the 300LX did the same.

By the way, funny thing on the 360LX: if you pick up a USB charging cable for a Playstation Portable (one that goes from USB to the PSP barrel connector), the voltage and polarity are the same as the 360LX, so you can actually charge it from a USB port on a PC
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Posted 2019-03-13 6:00 PM
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H/PC Oracle

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Interesting tip!
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Posted 2019-03-15 11:41 AM
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H/PC Newbie

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Quote
SirThoreth - 2019-03-14 3:44 AM

It is. The 360LX charging is monitored by software on the handheld, so it won't turn off while charging. It's been too long, but dif I recall, the 300LX did the same.

By the way, funny thing on the 360LX: if you pick up a USB charging cable for a Playstation Portable (one that goes from USB to the PSP barrel connector), the voltage and polarity are the same as the 360LX, so you can actually charge it from a USB port on a PC


That is pretty cool tip. I just am quite reluctant to charge it, because i am worried how it can burn my screen =)
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Posted 2019-03-16 9:43 PM
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H/PC Elite

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I have had a 360lx for quite a while and never had the screen burn in. I may have been lucky. But I've noticed that with all my handhelds, I've never had a single issue of screen burn in.
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