Question about Compaq Presario 700 470024-192 Notebook

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Laptop battery problem

Laptop dc power on , and battery no power on. whats any setup in changing? what problem? please diagram slution to me.

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  • faisalj Dec 12, 2008

    i bought a new hp compaq 6270 before a week and suddenly its battery is not getting charged when i plug in the power cable in to it

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I think that your battery is bad or you have a board connection issue.

This could be helping you also (related issues):

1.- Computer AC / DC cable is bad not allowing the computer battery to charge
Verify that the AC and or DC cable is not bad by testing the computer only with the power plug connected and the battery out of the laptop.
2.- Battery is bad
It is possible that if the power plug is good that the computer battery is bad. Leave the computer connected to the power with the battery connected in the computer for at least one hour; if the battery does not charge, consider having the battery and/or the laptop serviced or repaired.
If the computer and/or battery is not in warranty consider just replacing the battery as it is very likely that it is just a bad battery.
3.- Battery charger board is bad
If the battery has been replaced or an alternate battery from an alternate identical laptop does not work in the computer, it is likely that the power or charger board within the laptop is bad. It is recommended that the laptop be serviced or repaired.

Posted on Nov 19, 2008

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The power cord is a weak spot on these computers. Borrow one from a friend with the same computer and see if it works.

If it does replace yours with a new one.

Posted on May 29, 2009

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Battery not charging, need to find extra voltage load?


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Are you asking for the wiring diagram inside the main Battery?

If so, due to very possible injury, or death to you, there will be No solution.

Now, if you are talking about what is the polarity for the plug of the AC adapter, (Charger), that plugs into the DC Power Jack on the laptop, (DC _IN), then I'm on board.

The Center Hole in the plug end is the Positive ( + ) connection.
This is where the Positive (Red) probe lead of the multimeter goes.
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The Negative (Black) probe lead of the multimeter touches here.

Voltage is 19 Volts DC.

Wiring diagram for the inside of the AC adapter itself?
No gottom.

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I need hp pavilion dv7 1240us motherboard power problem solution..i have allready check dc jack,battery,power cord..and i soldring dc jack,battery jack..please some body help me... plz give me this...


I am not exactly sure what is the problem. Are you certain it is a power problem with the mother board? It could also be damaged or non functional.
Here's a troubleshooting guide from HP that might help you.
and the product's manual:

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A common weak spot on most laptops is the DC power jack. If someone trips on the wire while you have the power adaptor plugged into your laptop, chances are that the power jack will get damaged.
On most laptops the DC power jack is soldered directly to the motherboard and there are only three or four small pins holding it in place. Unfortunately that makes the power jack quite weak. Any sideways pulling of the DC power cord while attached to the laptop will usually dislodge at least one of these pins, breaking the solder around it. Modern laptops use quite a lot of power, from about 70W to 120W or even more. The bad electrical connection from the dislodged pin will cause sparks and heating that will eventually burn a hole through the motherboard and can even be a fire hazard.

The usual signs of that are:
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  • The DC plug gets hot after a few minutes of use and may even smell of burning.
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You need to take the unit apart and check/resolder the DC jack on the system board.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe

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1 Answer

My batteri is not charging at all, i can only use my laptop with direct power connection. Pls give me s slution.


the conector AC into the LAP TOP probabily is broke, check this shake the cable and check the battery icon , if not chane the batery

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Hi Chris,

I found this page that hopefully may haelp you.

It has pics, and how tos, etc.

http://repair4laptop.org/disassembly_sony.html

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