The AC adapter is not charging my laptop battery.

yugiohjustin · Nov 8, 2014

I don't know what happened but when i plug in my AC adapter into my laptop the light that indicates that the battery is charging is not showing. When i power on my computer, it powers up normally from only AC adapter cord, only battery, and both but the battery isn't getting charged. The connection between the AC adapter and the motherboard is fine as it powers up with the battery taken out and the connection between the battery and the motherboard is fine as it powers up with the battery in and the AC adapter out but the light isn't there to indicate the battery is being charged. when i log into my account, the icon at the bottom (when plugged in) says that its fully charged but when I take it out it says its less than 100% charged. when i leave the battery and AC adapter in for an hour, the battery charge hasn't changed and i fear that the connection between the AC adapter and the battery has shorted out or something. I have taken my laptop apart and there isn't any visible problems that I can see as the wire that connects the AC adapter is fine and has no problems and the prongs that the battery plugs into the motherboard is in working condition. I think its a short in the motherboard but i'm not sure. What is your thought on this problem and please tell me anything that could have caused this or how to solve this problem.

DonkeyOatie · Nov 8, 2014

I had this problem on an old HP and it was fixed when I replaced my battery.

Your Mileage May Vary.

yugiohjustin · Nov 8, 2014

DonkeyOatie :

luckily, i have another laptop of the same model and tested the battery in it and it still doesnt charge so its a battery problem and just doesn't want to charge. both laptops are pretty old and the battery on the other laptop is pretty bad as it holds a charge for 15 minutes. is there a practical way of fixing the battery of my laptop so that it starts charging again?

DonkeyOatie · Nov 9, 2014

I took my battery apart and did everything I could think of, and it made no difference. I had to replace it. Perhaps someone else had more success.

yugiohjustin · Nov 12, 2014

DonkeyOatie :

Alright, so i found the problem. What i did is i switched the battery for the one in my old laptop and that worked for a while and then had the same problem. At first I thought i fried both batteries so i swapped it for the original one that i put aside and it worked again! I believe that it may have overheated a component on the inside that i could not feel from touching the outside casing of the battery and by setting it aside for a day or two cooled the component enough to be used again.

DonkeyOatie · Nov 12, 2014

That's good, but is it a permanent solution?

yugiohjustin · Nov 12, 2014

DonkeyOatie :

Update: It stopped charging 5 minutes after i plugged the new battery in so no, i will have to either get a new battery or buy the parts for the computer i want to build (which is another thread that you may check out if you want).

henok tilahun · Nov 20, 2014

yugiohjustin :

I don't know what happened but when i plug in my AC adapter into my laptop the light that indicates that the battery is charging is not showing. When i power on my computer, it powers up normally from only AC adapter cord, only battery, and both but the battery isn't getting charged. The connection between the AC adapter and the motherboard is fine as it powers up with the battery taken out and the connection between the battery and the motherboard is fine as it powers up with the battery in and the AC adapter out but the light isn't there to indicate the battery is being charged. when i log into my account, the icon at the bottom (when plugged in) says that its fully charged but when I take it out it says its less than 100% charged. when i leave the battery and AC adapter in for an hour, the battery charge hasn't changed and i fear that the connection between the AC adapter and the battery has shorted out or something. I have taken my laptop apart and there isn't any visible problems that I can see as the wire that connects the AC adapter is fine and has no problems and the prongs that the battery plugs into the motherboard is in working condition. I think its a short in the motherboard but i'm not sure. What is your thought on this problem and please tell me anything that could have caused this or how to solve this problem.

yugiohjustin · Nov 20, 2014

Update: it started working again and has been for the last week.

Camar0ss · Nov 20, 2014

Your batteries are likely very, very dead. As in, when they charge, the laptop is essentially telling you that you NEED to replace them by not showing a power supply light.

yugiohjustin · Nov 20, 2014

Camar0ss :

I think it was just glitching out cause it can hold a charge and the light is back

Camar0ss · Nov 20, 2014

That's not really a glitch, though. It's likely the battery refusing to accept a charge, because there's nothing actually in the battery to charge anymore. Not replacing (and continuing to charge/use) a dead battery, you run the risk of the battery cracking due to strain and starting to leak, which will only cause more problems if it leaks into the chassis of the laptop.

If it continues to work properly, I'd still suggest checking out Anker batteries on Amazon. Spending $30 on a battery that has a year or so warranty is much better than ending up with acid leaking all over everything and costing more money in the long run.

Either way, be very cautious and closely monitor the batteries in question, if you're going to continue to use them. If you see signs of leaks or cracks, discontinue use of them immediately.

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