My ipaq has charged and synched with my laptop without problems. The battery went dead and was down for a few days. Now it will not charge nor will it turn on. I installed a new battery and completed a hard and soft reset. After the reset, it comes on for a few seconds (displays the HP logo)then its off again. It will not charge in or out of the cradle.
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Plug the charger adapter into the charging port on the bottom of the HP iPAQ Pocket PC. Figure : Charging the battery
When the power indicator on the top of the HP iPAQ Pocket PC turns solid amber, the unit is fully charged and can be disconnected from the AC adapter (approximate time to fully charge a unit is four hours).
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.
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 cradle
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:
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.
Keep the HP iPAQ Pocket PC connected to the universal desktop cradle or AC adapter when it is not in use.
It's a problem with either the memory board or the button board. With my h5550, the bottom buttons started to stop working and eventualy the PPC stoped charging all together. You can find parts for it online. If all the buttons are working fine, then it's most likely the motherboard. Otherwise it should be the button board.
I got the same problem. I even tried to plug the battery to the second battery charging slot, still couldn't get it back to life. But the Ipaq screen lights on with progress bar progress for about 5 seconds, then dead again. I even doubted the battery was toasted. I gave it a final shot: 1. Remove the battery, and then put it back. 2. While the screen lights on, within 2 seconds, cold reset the unit by press the hole with stylus and push the power button at top in the same time. In my case, the progress bar will keep going until I see the tap screen instruction and everything back to normal. But it reminds me that the removable battery is totally discharged. So I put it in cradle and I am able to synch it with my PC. Everything seems o.k. while it sits in the cradle, except the charging light won't turn red. When I remove it from the cradle, it still lights on, battery shows 99% which is healthy. but when I turned it off, it won't start anymore. I have to repeat the above steps to revive it. Sometimes I have to remove the battery and wait for a while and then put it back, so that the screen can light on to give me chance to cold reset. Conclusion: Maybe need a new battery. I will check Ebay to get one. Please post if you have other solutions.
Try taking out battery and plug in power. If it works, battery is faulty. If not, Try taking out your hard disk plug in power, if it works, hard disk is faulty. If not, Try taking out memory card, if there's a sound, memory card faulty. If no sound, it's your motherboard that is causing the error.
Note: If machine is under warranty no need to pay for the repairs.
Its possible (but not likely) that when you took it into a warm room condensation built up inside it. Try removing the battery, memory cards and letting it sit in a warm, dry environment for a few days and try again.
If nothing changes I suspect that a component has failed, but -6F is still within the operational range of commercial electronics. If your device is still in warranty then I would call HP up and ask for a warranty replacement. Let us know if you have any other questions and please don't forget to rate this posting.
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...