Question about HP iPAQ HX4700 Pocket PC

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Back battery bad

I have a hp iPAQ4700and need to know the number of the battery and how to change it

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There are two batteries. main and backup battery

the below video shows how to replace the backup battery, V6HR , of your hp ipaq hx4700

Posted on Mar 10, 2009


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Posted on Jan 02, 2017


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My hp series HSTNN-105C won't turn on, but the lights that mean it is getting power from the charger is on, does anyone know how to fix this? if so, then what part do i need to replace, or do i ev

HP HSTNN-105C is a Laptop Battery,

Look on the bottom of the laptop, and in the white Service Tag.
Give me the Product Number. (P/N)

S/N = Serial Number. Do NOT give out on a public forum. ONLY to authorized HP dealers, and repair shops ]

According to the website in the link above, this battery may fit;
HP Compaq NC6000 series, NC6120 series, NC6220 series, NC6400 series, NX6100 series, 6710B series, and 6910P series of Notebook PC's.

IF the above holds true there is NO panel to simply just remove, and you have access to the CMOS Battery. (Also referred to as RTC Battery. Real Time Clock Battery)

You MAY have to completely disassemble the laptop down to the motherboard in your hand. The CMOS battery is located on the Bottom of the motherboard.

HP Compaq NX6110 series is different. With these type of models the Keyboard is removed, to gain access to the RTC battery,

The above is in Spanish, and you are on Page 2. (Parte 2)
Posted for the photos.
Scroll the page down, and look at the second, third, fourth, and fifth photos.

The CMOS (RTC) Battery is the round silvery looking object, with the red wire attached.

There is a PROPER procedure for removing the RTC Battery. It isn't just remove the Keyboard, and replace the Battery.

1) ALL power is removed first. Remove the AC adapter (Charger) and Battery.
(Main battery)

2) FOLLOW Anti-Static Precautions. Static shock your laptop, and you will have an expensive doorstop, or paperweight.

3) The Keyboard does NOT have to be removed all the way.

Once you post what Product Number you have, I can give you detailed information.

Before we begin;
I would like you to attach an external VGA monitor, and see if the display is OK on it.

1) Laptop OFF, monitor OFF. Attach a VGA monitor to the VGA port on the laptop.
Do not know what HP Compaq laptop you have, can't give you detailed info of where your VGA connector (Port) is on your laptop.

This is an example of a VGA connector, and a VGA cable,

External VGA monitor:
You can use a CRT monitor, (Looks like a small TV), or a flat LCD screen monitor that has a VGA cable.

2) Monitor attached turn it on. If a CRT type allow it to warm up.
Turn the laptop on.

By default the display should show on the external VGA monitor.
There are however at least 3 display options;

A) Laptop internal monitor ONLY
B) Laptop internal monitor AND external VGA monitor
C) External VGA monitor ONLY

Press, and hold down on the Fn key. At the same time tap once on the Display Toggle-Over key.

Which one is it? It is one of the F keys at the top of the Keyboard.
F2, F3, F4, F5, and so on. It will have a monitor symbol on it, and a second one connected to it.
(GENERALLY, it is the F4 key for HP laptops. That is GENERALLY )

Tap once and no display on external monitor?
Hold the Fn key down again, and tap again on the Display Toggle-Over key.

It could be the laptop IS working, but there is a component, or components, that are bad for the internal monitor of the laptop.
Display doesn't show on laptop's LCD screen.

Could be something as simple as a bad connection of the Video Cable to the motherboard, or to the back of the LCD screen.

Could be a bad Video Cable.

Could be a bad screen Inverter.

Could be a bad Backlight.
For the above; a simple test,

Laptop on use a flashlight, and aim it at the LCD screen of the laptop.
Shine the flashlight at various angles.
Tell me what you see.

An LCD screen does not produce light. It needs an additional light source.
A Backlight is the additional light source.

A Backlight can be a CCFL, or series of LED lights. (Present technology)

A CCFL is a Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.
(Average size is 2mm Thick, and almost as long as the LCD screen is high.
2mm is a Little more than 1/16th of an Inch, or about the width of this letter -
N )

Post back in a Comment.


Apr 09, 2012 | HP Computers & Internet

2 Answers

My wireless mouse has quit working. I'm guessing I need a new battery. However, I can't figure out how to even find the battery, let alone change it! How do I do that????

Cutting down on the number of wires that must be tolerated in a work station adds to maneuverability and ease of location. For all their convenience, though, wireless accessories bring with them a number of issues not present in their wired counterparts, most significantly battery change.

    • 1 Turn off the mouse.
    • 2 Remove the top of the top of the battery compartment. The button that releases it is located toward the rear of the mouse.
    • 3 Remove the old battery and place the new one in its place. Replace the cover and turn the mouse back on.

Read more: How to Replace the Batteries in an HP Wireless Mouse '

May 09, 2011 | HP Wireless Optical Mouse

1 Answer

Battery problem with HP Compaq Presario V2000 laptop

When batteries fail, they usually lose the cells inside them, which means that the cell is no longer able to function as a holding cell for power and therefore cannot do its job anymore, when a battery fails to hold and refuses charging it is bad and needs to be recycled. The flashing is telling you to purchase a new battery. The larger the number of cells in the battery, the longer and better it will perfrom,,RE: 6 cell, 9 cell, 12 cell.

Jan 13, 2010 | HP Compaq Presario V2000 Notebook

1 Answer


Suspect the battery needs replacing as it should only change color when the battery has reached full charge. For the yellow to stay on it indicates either a fault battery or the way the battery is reporting it's condition. Check HP website for your battery number for recalls or issues.

Dec 18, 2009 | HP 530 Notebook PC

2 Answers

Need to change battery
This is a link to the owner's manual. It shows pictures of the laptop and where the battery is located. Probably easy to find a replacement battery on or elsewhere. The battery should have a number on it for reordering or you can find one at

Oct 01, 2009 | HP Compaq Presario 2200 Notebook

2 Answers

Date resets back to 2001 after being powered off

Try changing the time and date in the BIOS and then save the changes and exit. Then turn the computer off.

Wait a few minutes then turn the computer back on and if the date resets back to 2001 then that means the battery on the motherboard is bad and would need to be replaced cause that means the BIOS isn't keeping information in memory.

The battery you would need is a cr2032 battery. Here is an enlarged image of the battery Im talking about:

Aug 08, 2009 | HP Computers & Internet

2 Answers

I have an HP DV6426us. Last night I accidentally unplugged the AC adapter. I immediately plugged it back in, but the blue light on the DC jack wouldn't come on. I have also had a problem where the power...

You need to replace the battery asap. The battery is equipped with power mosfet connected to battery. pull the battery on the bottom of your laptop. There is a button on battery that you can check if the battery is charging. if no..,change it.

Jul 24, 2009 | HP Pavilion dv6426us Notebook

2 Answers

Battery back up problem....

Hello, Bateries have a one year life, once they get bigger is a common sign to replace them.I hope you can use this info.

Apr 09, 2009 | LG KU990 Viewty

1 Answer

HP Pavillion zd8000

Ok the lines on the moniter means it is a bad screen that must be replaced and battery not working could be a few things it may be a bad battery or bad charging circuit to test this you can try charging another battery in your laptop and if it works it was the battery if not it might be the charging circuit.

Dec 04, 2008 | HP Pavilion zd8000 Notebook

1 Answer

Bios could not be loaded error code

Sure , you need to change the battery in your motherboard. Often it looks like a silver coin. What happens is that your bios setting are reset to default each time you restart PC, before updating bios (that is the solution from hp that you are trying), change the battery.


Mar 04, 2008 | HP Compaq d530 CMT PC Desktop

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