I just bought on Ebay a HP iPAQ H3835 to replace an old 3835 that I had lost. When I received the PDA the battery wouldn't charge and the LED lights wouldn't turn on. So I figured that the battery was dead. I then went on Ebay and bought a replacement battery.
After replacing the battery with the new one, the PDA immediately turned on and showed that the PDA is at least capable of working without being connected to charger. Unfortunately, since it's a new battery, there isn't much charge left on it and it shuts off but does not completely reset (no screen dissolving away).
When I connect it to the charger, the LED doesn't turn on and even after letting the PDA sit overnight it still has not charged the battery at all. And when I detach the charger and go to the battery status screen it tells me status unknown for a brief second or two before the PDA turns off. Again it does not completely reset to factory defaults when it turns off. It seems to me that the battery is working but is at such a low charge that it cannot remain turned on for more than 5 or 10 seconds.
Is it possible that the sync connector is bad? I don't think it's the charger because when I had the old battery and I would connect the iPAQ to the charger it would immediately turn on. With the new battery I have to press the power button to get it to turn on -- even after connecting the charger.
I am sorry if this sounds confusing but I'm at wits end and don't wish for my money to have been wasted.
The charger might be bad. Or then the pdas connector is bad, or the motherboard is damaged.
to find out is your charger working you could use a tester to test it or another pda.
If you could get some power into the pda you could use the bootloader to test the device. Its been years since I had my 3850.
Il have to find instructions on how to get to the bootloader but test the other things first.
Drop a comment.
Posted on Mar 12, 2008
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Posted on Jan 02, 2017
SOURCE: ipaq H3835 PDA - won't hold charge??
If you purchase a new battery, they usually come with directions and special tools to change the battery. I had the same issue with 2 of mine when I got them at a used electronics store. IF it is the battery that is not working, then replacing it is easy, and you can get a replacement at your local Battery-Plus store.
In my case, one was fixed by a new battery, the other was not, and I actually had to press pretty hard in the cradle to get the second one to work. It never worked out of the cradle, so I gave that one to a neighbor kid to tear apart and see if he could get it working. (I got them for $15, so no big loss.)
Posted on Jun 28, 2008
SOURCE: Only works while plugged in
i would say def. its the battery thats dead!
Did a quick search for batteries and found a lot and costs about 10-30$ for a battery
and some include a charger as well.
Worth spending if you gonna use it daily!
Posted on Dec 27, 2008
SOURCE: is a compaq ipaq h3835 compatable with vista
No, you do not need an upgrade. You'll need to be download only "Windows Mobile Device Center" to your Vista PC instead of ActiveSync. (ActiveSync is not compatible with Vista, instead Microsoft changed the software a bit called "Windows Mobile Device Center" and can be downloaded from Microsoft's website.) Your Vista PC should also recognize your ipaq PPC without needing any driver CD. I hope it helps.
Posted on Apr 18, 2009
SOURCE: Window Vista syncronizing with iPAQ 3835 problem
In order to sync any iPAQ with Windows Vista, you will need to download and install Windows Mobile Device Center 6.1 from http://www.microsoft.com/windowsmobile/en-us/downloads/microsoft/device-center-download.mspx.
Activesync will only work for XP Operating Systems and earlier.
Notes
Posted on Jan 12, 2010
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My battery will not charge either, but the key problem is that this is the first time the HP iPAQ was turned on. The pda disappeared into the hands of a graduate student who never turned it on. Now it is past any viable warranty, but I cannot believe the motherboard or the connector are bad. The iPAQ never left the box it was stored in nor was the plastic arouund the box removed. So, was it just the amount of time that the iPAQ sat that made it go bad? Or did I get a bum model when I bought it? Or, is there some dramatic thing that I can do when an iPAQ sits this long without use that would bring it back to life?
I have a similar problem as well; however the charging light flashes like it's charging, but if I go into the settings the display says that although charging, 0% is going on... very frustrating. It's a refurbished PDA. I read about a 'switch' on the inside by the battery but haven't been brave enough to check it out without further knowledge... any help will be welcome.
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