Question about HP iPAQ HX4700 Pocket PC
My HX4700 will not power up. It will also not charge when the unit is on the cradle. When I did a warm and cold reset it would come up to to HP screen but would go no further. I have 3 cradles and tried the machine in every one. The unit does not blink charge when it is put on the cradle nor will not power on. I bought a new battery and does the same thing. I have tried checking the battery clips to make sure they are tight. I have a separate charger for the bateries so I know the battery is fully charged. What could it be? Thanks
I have repaired many of the Hx4700s that appear to be dead by shorting across the "battery locked" switch. It is located on the lower right corner of the board when viewed from the back with the cover off. The switch just shorts to ground when the battery is locked in place. By flowing a small bit of solder over the two connections on the back of the switch, the iPAQ will return to life and there is no ill effect of bypassing this switch. In my opinion the switch is to fragile and poorly placed.
Posted on Oct 03, 2007
May be obvouse, but have you confirmed that the batery is locked into position. my prob is that the switch where that batter lock slider pushes into pooped out, and i need to replace. ugh.
Posted on Jun 20, 2007
Hi I'm a pc repair technician, and my ipaq hx4700 has gone exactly the same way. I've been looking round for some kind of technical manual to see if there is any history of internal components going down through heavy use or even manual abuse. Mine stopped after I knocked it whilst working on something. Normally if I see similar symptoms on a pc I'd be looking at internal component failure, more often than not the motherboard itself. I worked on that theory and have looked at prices for an ipaq motherboard. In all honesty the costs for the part and replacement are more than buying a new pda. Sorry for the bad news, but thats the only option I've found all the best
Posted on May 28, 2007
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Posted on Jan 02, 2017
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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.
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