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Won't Charge Any Battery--Even a New One

The laptop works fine on AC power. It won't charge a battery, though--even a new one. The charge light begins green and turns red almost instantly. Does it need a new charging "circuit"? Is there such a part? Hate to toss this puppy. It's been great until now.

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Re: Won't Charge Any Battery--Even a New One

Check for loose solder connection in the power supply and the terminals that connects the battery to computer.

Posted on Sep 04, 2007

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My laptop won't hold a charge. have a new battery

Is the battery a genuine Dell battery? 3rd party batteries can be high quality or crap, just depends on the maker. Regardless, when you attempt to charge it, does it at least take a charge even though it won\'t hold it? Or does the battery refuse to accept a charge at all? When you plug in your laptop, does the charge light come on? Does the the battery level icon on the lower-right corner of the screen show it\'s plugged in? I know, lots of questions.

Sep 06, 2014 | Dell Inspiron 1420 Laptop


AC Adapter issues Q & A.

Laptop switching to battery while connected to AC adapter
Q. While turned on, the laptop will switch to battery power even if connected with the AC adaptor (sometimes during boot-up, or after a while) until the battery drains out, he then goes to hibernation (the battery light is off). If no battery in the laptop, it will shut down, and the AC light will blink very fast. The battery (li-ion) will only charge up to 10%, where it then jumps right up to 100%, and will discharge from 100% to 90% then jump to 0%, go to hibernation, and fails to complete the process, shutting down. The adaptor makes a small “camera flash charging” sound, stabilizing at 19v. When charging, it repeatedly makes the “charging sound” Faulty AC adaptor? Or Faulty battery? Or Both?
A. First problem: The laptop switches to battery power even with connected AC adapter. Most likely you have a faulty power jack. It’s either broken or loose. It’s a known issue with laptops and you can fix it by replacing/resoldering the power jack or relocating it outside laptop case.
It also could be a problem with the power cord. Find a multimeter and check the AC adapter. See if the power cuts off when you jiggle the power cord. If it does, replace the adapter.
Second problem: The battery will discharge from 100% to 90% and then jump to 0%. It sounds like a bad battery.
Battery charging light is on even when power adapter is unplugged and laptop is stitched off
Q.The yellow light for battery charging does not go even after switching the laptop off and power jack is disconnected. Battery does not charge at all with power source connected.
A. First of all, try reconnection the battery if you haven’t done it already.
The battery plugs directly into the connector attached to the motherboard. If the battery charging light stay on even when the power adapter is unplugged and the laptop is switched off, it’s either bad battery or something is wrong with the motherboard. The only way to find the culprit is testing the laptop with another known good battery.
Also, you can try this. Remove the battery and plug in the power adapter. If the battery charging LED lights up even when the battery is removed, most likely you have a problem with the motherboard.
Battery charges only when the laptop is off
Q. Bought a Laptop without AC Adapter. I noticed it would charge the battery OK when the laptop was off but once in windows it would not charge the battery.
A. This is very important to choose the right AC adapter for your laptop. The output voltage MUST be exactly the same. If your laptop requires 18.5V you must use 18.5V adapter. The amperage should be the same or higher. If the laptop requires 4.74A adapter, you’ll have to find an adapter which provides 4.74A or MORE.
While using AC adapter alone or battery alone, laptop works. While using them together, I am getting a problem.
Q. While using AC adapter alone or battery alone, laptop works. However while using them together, laptop LED lights blinks and the power meter for battery drops down immediately to 0% critical level, whereas the battery LED indicator says it’s full. I tried to unplug the AC adaptor while it went down to 0%, then the power meter for the battery came back to normal 85%.
A. There could be a few different reasons why it happens:
1. It might be an issue with the BIOS. Make sure the laptop has the latest version of BIOS installed, update it if needed.
2. It might be a software related issue. If you have some kind of power management utility installed try uninstalling it and use Windows power management utility instead. Also I would try reinstalling the operating system if upgrading the BIOS or removing the power management utility does not help.
3. If you still experience the same problem even after upgrading the BIOS and reinstalling Windows, most likely you have a problem with the motherboard. Apparently the charging circuit is not working properly. I assume it’s not a problem with the battery. You’ll have to check the motherboard in this case.
Problem with my battery. 100% to about 40% the battery discharging normally then suddenly from 40% it drop directly to 2%.
Q. When I use only on battery, from 100% to about 40% the battery discharging normally (last about 1 hour) then suddenly from 40% it drop directly to 2%.
When I plug the AC cord, it won’t directly charge (the charge LED is still not on). After 10 to 20 minutes it then starts to charge the battery (the indicator say that it can be charged to 100%).
If I turn-off the laptop and then charge the battery, it won’t also directly charge but the delay is much shorter (maybe just about 1-2 minutes).
Is this the sign of a bad battery (when hot it can’t be charged?) or maybe a bad AC adapter (not enough power to charge the battery when the laptop is turned on?)
Note that this symptom is always repeating when I use the laptop.
A. From the first part of your complaint description I can see that you have a bad battery. The percentage might vary, but the process of discharging is the same – the battery discharges fine until some point and then the remaining charge suddenly drops to the minimum. You’ll have to replace the battery.
I’m not sure about the second part. Probably it’s a battery related problem too. Just in case check if there is a newer version of BIOS available for your laptop. If you find one, upgrade the BIOS.
The battery is 100% charged but it will die within a few minutes as soon as the laptop is unplugged.
Q. When I unplug the power it will run off the battery, the battery icon says it is 100% charged and I have 2+ hrs remaining, but within a few minutes I get the “critical battery level” message and it will die. When I plug it back into AC power the battery charge light comes on (and will remain on for over a hour), but I will have the same problem with it dying as soon as it is unplugged. Do I need a new battery?
A. It looks like you have a bad battery. Here are some behaviors typical for a dying laptop battery:
1. The battery charges normally (according to the battery icon) but as soon as you unplug the laptop, it dies almost momentarily.
2. The battery charges normally. When you unplug the laptop, it discharges normally until some point and after that point starts discharging very fast. For example it might take 10-15 minutes to discharge from 100% to 80% and then it discharges from 80% to 0 for 2-3 minutes.

on Jun 12, 2010 | PC Laptops

1 Answer

Won t charge new battery

Few options: either the connection is "hazy" (try moving the plug in the hole), battery is fake or battery has been abused and is empty...

Aug 16, 2013 | HP Mini PC Laptops

1 Answer

Batery won't charge new battery n plug

You may have the wrong AC adaptor, Dell is very picky when it comes to Power adaptors, it must be original OEM Dell for the laptop to recognize it, any after market no name brand even though it has the right specs and is made for your model will power your laptop but the circuit to charge your battery will automatically be closed

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Dell inspiron not charging

Dear Mathew,

You should you Dell Utility and it has the function called Dell Battery Metter, it can enable or disable charging

Nov 12, 2012 | PC Laptops

1 Answer

My laptop not charging

When you say it won't charge, does it charge at all?
1. It indicates that it is charging, but as soon as you unplug the charger the battery quickly or immediately indicates it is dead. If the laptop is off, the LED on the laptop shows it is charging but the battery is always dead,

Or: 2. It is as if you didn't have the charger plugged in. No light on the laptop at all when the charger is plugged in.

Possible solutions:
1. The battery has died and is no longer capable of taking a charge. An alternate explanation if you can't even get the laptop to turn on even though the laptop charge LED is on, is that the internal power supply that converts the incoming and battery voltage to all the voltages required has died.
Or: 2. The power connector inside the laptop is a common failure point. The solder joints break from various minor shocks over time. This is going to become more common with lead-free solder as it is more brittle. Less likely is that the charging circuit inside the laptop has failed.

Oct 28, 2012 | PC Laptops

1 Answer

My hp pavillion laptop will not charge my battery . It won't even work without the battery but plugged in with power supply even though i know battery and power supply are sound.

It won't ever be a 'software' will be either a :

Adapter/Charger issue (Have it tested by local PC repair shop.)
if it is good, then it is the other prob. If it is not good, then buy a new one.


Laptop power connector issue. (expensive repair.)

Sep 06, 2012 | Toshiba Satelitte M300 St3401 Core 2 Duo...

1 Answer

My Asus Eee PC 1001PXD battery won't charge. The charges light is on but nothing happens and now the battery is completely dead and I cannot get my notebook on

Your problem is far more than the battery. Your problem is the power cord. Laptops for the most part will work off the power cord even if the battery is dead or even if the battery is not in the laptop. Your power cord charges your battery and if it is bad it will not charge it. You've been working off your battery even though you might have had the power cord plugged in, but if it's bad and not charging the battery, the battery drains and then you can't get the laptop to power on at all. Go purchase a ac adapter and power cord that is designed for your system. Don't buy one that some of the big box stores sell that has a an interchangeable plug at the end designed to fit just about any laptop. Those will eventually burn *********** board out.

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Dell Latitude D600 new battery won,t charge

the charger in the laptop is not functioning. pc will need repaired

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