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Low Battery DATA Lose - HP iPAQ Model h5450 Packet PC

After removing one battery, and placing with a alternative, which may not have a full charge. The unit, loses all data and I have to re-set unit.
Dose the unit have a small battery inside, which needs to be replace periodically. If so, how do you remove the back cover.
HP iPAQ Model h5450 Packet PC

Regards Paul (Australia)

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The h5450 comes with what HP calls a backup battery. It is built into the device and not accessible by the user. However, the backup battery has only enough juice to power the Pocket PC for a few minutes while you change main batteries. Don't expect it to keep your RAM data alive if the main battery runs out.

Posted on Apr 21, 2008

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1 Answer

I forget my password....so how should i break it?


Hello,

the password can not be broken, but you can perform a hard reset that wipes the device clean including the password. all content is lost.

1. Press and hold the lower left and lower right buttons.

2. Press the Reset button on the bottom of the iPAQ Pocket PC
with the stylus.

3. Hold all buttons until the displayed image begins to fade
(approximately four seconds).

4. Release the program buttons and stylus.

You can verify a full reset by pressing the power button. If the
iPAQ Pocket PC has been fully reset, it will not turn on.

5. Reactivate the battery by doing one of the following:

Connecting the iPAQ Pocket PC to AC power

Pressing the Reset button with the stylus

Nov 06, 2010 | HP iPAQ H5450 Pocket PC

1 Answer

Data missing - Ipaq model HP5555 - did not do hard reset


Hello,

I'm sorry but the HP Ipaq 55xx series store data on a volatile ram based memory. Unlike a nand flash (like usb sticks, memory cards etc) this memory will hold data only as long as it's powered on. If your main battery gets empty you should still be able to retain your files for some 10-20hrs with the backup battery (if it's ok itself and not depleted). After this time the power to the ram memory is cut off and all data is lost.
The problem you face is somewhat related to that backup battery, as it appears it's unable to do it's job and maintain the power to the ram memory at least some 10 hrs. You should have that battery replaced.

There is no way to recover the data from the ram memory as it is stored as an electric charge over some memory cells in the ram chips. When there is no power, these charges dissipate and the pattern is lost.

I'm sorry for having to give the bad news.
Bogdan

Jul 03, 2009 | HP iPAQ H5555 Pocket PC

1 Answer

Trouble charging h5450


try wrapping the cord around the pda

Jun 08, 2009 | HP iPAQ H5450 Pocket PC

1 Answer

Can't reset!


open it, remove 6 screw behind. remove rom batteries for a sec. and plug it on the same place. work . reset flash

Jun 01, 2009 | HP iPAQ H5450 Pocket PC

1 Answer

IPaq rx3115 working like PC not Pocket PC, need to plugin always


You need to purchase a new removable battery for your RX
The removable batts usually only last about a year (like cell phone batteries).
Although it is showing 100% charge, the battery is not storing enough power to run the ipaq

The rx series uses 2 batteries, one is the removable one u can see/access when u remove the back cover. The other batt is a small round batt which stores the basic info for your system (so you don't lose your data when u swap out the removable battery).

This small (backup) batt is similar to the cmos battery on a laptop or pc.
You cannot easily replace this, as the unit needs to be disassembled to access this batt.
If you are tech-y (and brave), the replacement button batteries are sold on ebay for $9-12

Normally, if your removable batt is bad, you could still use your unit plugged in, and could
remove from AC power without losing data. Not the case if your replaceable batt is exhausted.
When both batteries are bad, you lose everything when u remove unit from AC power.

My workaround without having to disassemble unit:
Purchase and fully charge new removable batt (They have huge capacity ones available for like $15 - better than the original !).
Load up all your programs & settings the way you like.
Perform full backup to SD card (& also on PC via active sync - to be safe)
Now the only time you should lose your data (like hard reset) is if you allow the battery
to completely drain, in which case you can restore your backup.
If you purchase 2 removable batts, you can easily swapout without losing data if you
use the usb charge cable & leave ipaq plugged in while you change battery

Hope this helps






Jun 01, 2009 | HP iPAQ RX3115 Pocket PC

2 Answers

Can't log on


where you able to perform the reset? if you wheren't then use a small pin or a needle to press the reset button.

if it sitll doesn't help you may have to perform a hard reset, it should fix the problem but you will lose all data stored in the memory, but everything on a storage card or safe storage / permanent storage will stay.

how to perform a reset or a hard reset:
http://www.hardreset.eu/hp_ipaq_h5450_hard_reset_soft_reset_en.html

May 29, 2009 | HP iPAQ H5450 Pocket PC

1 Answer

Backup battery


The backup battery exists to protect your data when the main battery dies. It only has enough power to keep the internal memory 'alive' so you dont lose your files, settings etc.

When the backup battery dies it should be replaced as soon as possible, as the main battery will power the internal memory only while it has charge. Should the main battery die it would be like performing a hard reset.

Jun 16, 2008 | HP iPAQ hw6515 Pocket PC

1 Answer

My ipaq 5450 is not charging


recharge the battery by connecting the HP iPAQ to AC power using the cradle or the AC adapter to atleast 6 hrs continuously 

Oct 20, 2007 | HP iPAQ H5450 Pocket PC

1 Answer

Failing to power up.


Had the same problem: the battery is simply exhausted. Suggest you buy a new battery. A possible solution you might try is to connect it to a charger and make a hard reset (loosing all data and programs stored). Good luck

Sep 03, 2007 | HP iPAQ H5450 Pocket PC

1 Answer

My H5450 won't charge!


When you charge up your iPaq, do you use the cradle, or do you use the AC-adapter with the little iPaq power converter that came with the iPaq? Try both, and see if it charges up your pda. Try and borrow an iPaq car-charger and see if it charges up that way (the ones that do not need the iPaq power converter). If you are lucky enough to power up the iPaq even for 2 minutes, enable USB fast charging in the SETTING -> BATTERY. Your USB-data-cable or cradle will then be able to charge it up that way...

Sep 08, 2005 | HP iPAQ H5450 Pocket PC

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