Question about HP iPAQ H4150 Pocket PC
I replaced ipaq 4150 internal backup battery but when I removed main battery, it did not retain the data. After charging for about 9 hours, and checking the power status, the backup shows 0%, the same as before the battery was changed. Perhaps the new backup battery was bad but it is a real chore to replace it again.
Posted by jimschuchert on
A pictures illustrated instruction manual for replacing the Varta V6 HR Ni-MH backup battery button cell in an HP iPAQ HX4700/4705 PDA. Read Full Article HP iPAQ HX4700 PDA Backup Battery Replacement Guide With Pictures Varta V6... ' http://www.hptechsupportphonenumber.com/contact-us
Posted on Dec 11, 2017
Read the manual yet, or lost it> or?
most of these have 2 batteries
one that pops out one more that solders down.
guess which one retrains data.
finding parts for relics like this is not fun
what good is this thing besides, wall art?
why ask here at all, we are not HP , nor are there HP books here.
so ask here.
there are folks there that might remember so long ago
or even have old books laying about after all they are HP.
Posted on Dec 10, 2017
SOURCE: how to switch off my hp ipaq
On most HP pocket PC's, holding the power button momentarily will turn it off.
If you hold it too long, it will only turn off the backlight, but the unit will remain on.
Posted on Apr 27, 2008
SOURCE: ipaq 5550 background problem
Failed to start background reading (status=5, error=-102, retcode=0). Perform a normal resert and try again. IPAQ 5500
can you please send me the files to upgrade it?
Posted on May 23, 2008
SOURCE: Data missing - Ipaq model HP5555 - did not do hard reset
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.
Posted on Jul 04, 2009
SOURCE: 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
Posted on Jul 09, 2009
SOURCE: Rx3417 backup battery charging main battery not charging
Looks like you need a new battery,
You can get a compaq RX 3417 battery replacement battery here
Posted on Jul 12, 2009
Tips for a great answer:
NOTE: The amber charge light blinks while the battery is recharging and turns solid (nonblinking) when the battery is fully charged.In the event of a low backup battery warning, charge the unit immediately before removing the main battery to avoid data loss. To view the amount of charge left in the backup battery, tap Start, Settings, the System tab, and Power.
Charging with the universal desktop cradle and AC adapter Use the universal desktop cradle to charge the HP iPAQ Pocket PC, or synchronize the HP iPAQ Pocket PC with a computer.
Follow these steps to charge the HP iPAQ Pocket PC using the universal desktop cradle:
- Plug the AC adapter into an electrical outlet and connect the other end of the AC adapter to the AC connector on the universal desktop cradle.
- Connect the serial or USB cradle cable into the appropriate port on the desktop PC.Figure : Connecting with the cradle
- Slide the bottom of the HP iPAQ Pocket PC into the cradle and push firmly to seat it.CAUTION: To avoid damaging the HP iPAQ Pocket PC or the cradle, make sure the pins are aligned before pushing the HP Pocket PC into the cradle.
Figure : Charging with the universal desktop cradle
- AC adapter into electrical outlet
- AC adapter into universal desktop cradle
- HP iPAQ Pocket PC into cradleNOTE: The amber charge light blinks while the battery is recharging and turns solid (nonblinking) when the battery is fully charged.There are stabilizers located in the universal desktop cradle that assist in aligning the unit when there is no expansion pack attached. When placing the HP iPAQ Pocket PC with an expansion pack attached into the universal desktop cradle, the stabilizers will be pushed down by the expansion pack. To release the stabilizers for use without an expansion pack, press the button on the back of the cradle.
Charging with the optional USB Autosync cable Charge the HP iPAQ Pocket PC using the optional USB Autosync cable by connecting the Autosync cable to the HP Pocket PC and the personal computer. The HP Pocket PC will be charged using power from the personal computer.
For more information on charging the HP Pocket PC using the optional USB autosync cable, from the Today screen, tap Start, Settings, the Systemtab, Power, the USB Charging tab, Settings, and Help.
Charging a low battery The HP iPAQ Pocket PC will not turn on if the battery has a low charge (less than 3.2 Volts). Fully charge the battery prior to using the HP Pocket PC.
If the charge on the battery goes below the 3.2 Volts as a result of not being connected to the universal desktop cradle or the AC adapter, no damage will occur to the battery. However, the HP iPAQ Pocket PC charge indicator light will not flash until the battery reaches the minimum charge of 3.2 Volts and a normal reset is performed.
Follow these steps to charge and reset the HP iPAQ Pocket PC:
Keep the HP iPAQ Pocket PC connected to the universal desktop cradle or AC adapter when it is not in use.
- Connect the HP iPAQ Pocket PC to an A/C power supply.
- Charge the battery to the minimum level of 3.2 Volts (this will take 5 to 30 minutes depending on the current charge level).
- Perform a normal reset by using the stylus to lightly press the Reset button on the bottom of the HP iPAQ Pocket PC.
- Turn on the HP iPAQ Pocket PC.
Usually answered in minutes!
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