Question about Acer Aspire 5100 Notebook

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Charge problem! My Acer Aspire 5560 laptop is only a year old. It needs to constantly be on AC power, even when I charge it, the moment it is taken off AC power, it displays the LOW BATTERY icon and asks to immediately be switched to a power source. The charger adapter box has a green light (shows its working?). I've even tried charging it the whole night but it still says LOW BATTERY when I take it off its charger. Please help, thank you!

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Re: Charge problem!

It's one of two things, the more likely of the two is that that battery is totaly shot, laptop battery's are usually only good for 1.5 years then loose there ability to retain a charge. It sounds like that one's just done. Unfortunatly that those batterys cost more than there worth, 100 bucks or more. The second possibility is the power cord, is that the original power cord for that? Or was on that was bought aftermaket, some aftermarket chargers will only power your laptop and not charge. Also remove the battery and check for corrison. You can build your own battery fot a a laptop if got a few hours time, and are good with a soldering gun. You get the litium ion cells you need for about 40 bucks. Follow the below link for a step by step on how to build your own battery

Posted on Sep 30, 2007

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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.

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It should boot when connected directly to the power outlet through the laptop adaptor. If it is not boot, then the adaptor might not be supplying the needed power to boot it up.

If it is possible, try to isolate the issue. Charge your new battery using another laptop. Then plug it in your laptop to see if it works. If it will work, then it is the AC adaptor of your laptop that is defective. If the charged battery still won't make the laptop boot, then there is something wrong with your laptop hardware. If could be a motherboard issue of your laptop.

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Even going thru the solder method the motherboard could still be bad and have nothing to do with the ac jack.

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sounds like the system has a problem taking power from the battery, but is able to send power to it for charging purposes, or the battery indicates a ful charge, when in reality it is bad.
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I'm sorry, I'd need to see this one to offer any further advice.
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