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Laptop don't charge the battery


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#1 FlyerX

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Posted 19 January 2014 - 10:03 PM

Hi guys!

i recently purchased an used NC4400 laptop for work....

 

i chose that model because i have several years working with it and is one of the most rock solid laptops i ever have tried...

 

but this time i think the seller sold me a defective one...

 

the seller sold me this one without battery and without charger, its ok for the price (70bucks)  i already have couple of those batteries around there and some chargers...

 

when i receive it, i plug it to the ac and after 20 minutes notice the laptop don’t charge the battery, i tried another battery and the same, i decide to try the battery in another nc4400 i have and it charge it fine....  so is not the battery, and is not the power adapter...

 

i checked the BIOS and it is exactly configured like the others nc4400  i have here.

 

what is wrong here?

 

Thanks in advance!



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#2 FlyerX

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Posted 22 February 2014 - 11:19 PM

so.. nobody....



#3 disenchanted

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Posted 24 February 2014 - 01:38 PM

Hi FlyerX

 

Is not uncommon for a battery not to charge isf there is a problem with the mainboard..

Check the Maintenance and Service Guide here on how to disassemble your -addmittedly aging- Notebook.

Look for signs of corrosion pr burn marks near the Battery charging pins



#4 dc3

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Posted 24 February 2014 - 02:17 PM

I would have to assume that you used a DC voltmeter to determine if the output of the adapter is correct?

 

Another possible problem could be the connector where the adapter plugs in.  This is a common problem with laptops, the pug either becomes loose of it physically becomes loose on the motherboard.  You can try moving the plug around to see if it is a loose connection.


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#5 FlyerX

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Posted 02 March 2014 - 07:19 PM

I would have to assume that you used a DC voltmeter to determine if the output of the adapter is correct?

 

Another possible problem could be the connector where the adapter plugs in.  This is a common problem with laptops, the pug either becomes loose of it physically becomes loose on the motherboard.  You can try moving the plug around to see if it is a loose connection.

 

Hi FlyerX

 

Is not uncommon for a battery not to charge isf there is a problem with the mainboard..

Check the Maintenance and Service Guide here on how to disassemble your -addmittedly aging- Notebook.

Look for signs of corrosion pr burn marks near the Battery charging pins

 

 

Thak you for the answer guys!

 

i already checked the guide for disasseble the laptop in order to reach to the board.. and no sign of corrosion nor wear.. i even changed the board and i runwith the same odd luck to have a SECOND board with the same problem!!!!!

 

i havent have a third NEW board because i am afraid to get the same problem again (if that happen i should play lottery)... ihave tried the batteries in another same laptop and charged fine, i have tried with th dc adapter  in another laptop and worked fine too...

 

i dont know what to do... if i only knew WHICH part of the board is responsible for the charging... i guess it should be arrpound the battery's connector area but i cant find anything wrong or corroded around there...



#6 NickAu

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Posted 02 March 2014 - 08:29 PM

Sounds like the charger bit on the mother board has had it. I have an old pendo u1000 laptop doing the same thing it wont charge batteries but it runs fine when plugged in to the wall. Yes I have tried the POWER SUPPLY and battery on another pendo u1000 and it works fine.

 

On ebay if you buy a laptop without the Power supply and battery it usually means the said laptop is for parts only.



#7 dc3

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Posted 03 March 2014 - 12:20 PM

 

I would have to assume that you used a DC voltmeter to determine if the output of the adapter is correct?

 

Another possible problem could be the connector where the adapter plugs in.  This is a common problem with laptops, the pug either becomes loose of it physically becomes loose on the motherboard.  You can try moving the plug around to see if it is a loose connection.

 

Thak you for the answer guys!

 

i already checked the guide for disasseble the laptop in order to reach to the board.. and no sign of corrosion nor wear.. i even changed the board and i runwith the same odd luck to have a SECOND board with the same problem!!!!!

 

i havent have a third NEW board because i am afraid to get the same problem again (if that happen i should play lottery)... ihave tried the batteries in another same laptop and charged fine, i have tried with th dc adapter  in another laptop and worked fine too...

 

i dont know what to do... if i only knew WHICH part of the board is responsible for the charging... i guess it should be arrpound the battery's connector area but i cant find anything wrong or corroded around there...

 

 

You posted my suggestion, but you haven't indicated if you have tried using a voltage meter to troubleshoot the adapter.


Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#8 FlyerX

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Posted 03 March 2014 - 02:57 PM

 

 

I would have to assume that you used a DC voltmeter to determine if the output of the adapter is correct?

 

Another possible problem could be the connector where the adapter plugs in.  This is a common problem with laptops, the pug either becomes loose of it physically becomes loose on the motherboard.  You can try moving the plug around to see if it is a loose connection.

 

Thak you for the answer guys!

 

i already checked the guide for disasseble the laptop in order to reach to the board.. and no sign of corrosion nor wear.. i even changed the board and i runwith the same odd luck to have a SECOND board with the same problem!!!!!

 

i havent have a third NEW board because i am afraid to get the same problem again (if that happen i should play lottery)... ihave tried the batteries in another same laptop and charged fine, i have tried with th dc adapter  in another laptop and worked fine too...

 

i dont know what to do... if i only knew WHICH part of the board is responsible for the charging... i guess it should be arrpound the battery's connector area but i cant find anything wrong or corroded around there...

 

 

You posted my suggestion, but you haven't indicated if you have tried using a voltage meter to troubleshoot the adapter.

 

With the adapter you mean the ac adapter? if so, yes i verified the voltage and it is within the required by hp and within the decalared by the adapter... anyway i tried with a different adapter and still the same....






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