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My laptop is not charging its battery which is still very good

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When you connect the power adapter into the laptop, does the power LED light up? If not then - The battery adapter or the adapter's power lead or the laptop's power socket could be faulty. Check power adapter's DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard. This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.

Posted on Dec 08, 2012

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I bought new universal adapter for asus laptop and it charges batery just when laptop is turned off


Problem description: The battery charges only when the laptop turned off. The battery charge LED lights up as normal and the battery gets charged to 100% while the laptop is off.
When the laptop is turned on, the battery charge LED goes off even if the adapter is still plugged in.
Possible cause: 1. AC power adapter failure.
2. Battery failure.
3. Broken/loose power jack.
4. Motherboard failure.
Possible troubleshooting steps and repair solution: 1. This problem could be related to a faulty AC power adapter. It's possible that the AC adapter doesn't provide enough power when plugged into the laptop. To find out if this is your problem, you'll have to test the laptop with another working adapter.Replace the adapter if needed.
2. There is a slight chance that you have bad battery. Test the laptop with a know good battery and replace the faulty one if needed.
3. The battery charge problem could be related to the power jack. Maybe the jack is broken or not making good contact with the motherboard. It is necessary to remove the motherboard and take a closer look at the power jack. Resolder or replace the jack if needed.
4. If the power jack is in a good working shape and new power adapter with battery do not fix the problem, most likely you have a faulty motherboard. Replace the motherboard if needed.

Reference: http://www.chargerbuy.com/blog/battery-charges-only-when-laptop-turned-off/


ASUS laptop AC Adapter

Jan 25, 2011 | Computers & Internet

1 Answer

My new inspiron mini is not recognizing the battery.


There might be a possibility that the battery is not making good contact with the laptop's charging circuitry. To eliminate this possibility, turn off and unplug the laptop, take the battery off the laptop, and using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self. When done, put the battery back into the laptop, plug it, and turn it on. Check if the battery is recognized or not. If not, then the battery itself might be bad. This could be verified either by testing the battery in a similar laptop, or by swapping the battery with a new one or one which is known to be in a good working condition. If your battery does not charge when tested in the other laptop, then it is obvious that the battery is bad and has to be replaced. However, if your battery starts charging in the other laptop, then we are left with a couple possibilities: your laptop needs a BIOS update, or your laptop's charging circuitry is defective.

Oct 20, 2010 | Dell Inspiron Mini 10 Notebook

2 Answers

Battery is not charging


First, you need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether

Sep 07, 2010 | Dell Inspiron 1525 Laptop

1 Answer

Plugged in not charging. New Battery fitted, and laptop just discharges it why doesn't this laptop power up mains only? when i run battery check it switches between, invalid, and good very fast


Good day!Charging problem is a storage matter..if it does not charged..then battery problem maybe..or your laptop dont accept your new batt..

mastergani

Mar 26, 2010 | HP Pavilion dv9000z Notebook

1 Answer

At times my HP 520 laptop battery does not charge...and i fail to understand that what is the problem.... and surprisingly its battery starts to charge.


Try your laptop with a good previously checked AC adapter (check the battery charging process). Than try your laptop with another known good battery (with the same good AC adapter). If problem is not yet identified, you should have your laptop checked by a professional : your mainboard might have a problem.

Oct 04, 2009 | HP Computers & Internet

1 Answer

Want stay charged


Sounds like a bad battery cause its not keeping a charge. Try a new or known good battery and see if it will charge and then unplug the ac adaptor to see if the laptop stays on.

If the laptop stays on with a different battery charged then your old battery is bad. If your laptop doesn't stay on with a known good or new charged battery without the ac adaptor hooked up then its a bad motherboard.

Feb 14, 2009 | Toshiba Satellite A100-S8111TD Notebook

1 Answer

Laptop battery will not charge


try another charger from good brand and same voltage

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3 Answers

Acer aspire 3000 doesn't charge


are you sure the battery is good? How old is the system and battery? Do you have any way to check voltage at the battery terminals?

Aug 29, 2007 | Acer Aspire 3000 Notebook

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