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I recently had an Acer Aspire One that (after fully discharging) would no longer hold a charge. It worked fine when plugged in, but would turn off right after discharging. This is due to a BIOS error, and this article will show you how to update the BIOS to the official Acer revision 3309.
This article is meant for the AOA110 and AOA150 models ONLY, ingluding the ZG series of AOA110 and AOA150 netbooks.
1. On a separate computer, click here: http://gd.panam.acer.com/
2. Click Netbook -> Acer Aspire One -> AOA150 -> and then below, choose the "BIOS" tab.
3. Click the orange "Down" arrow to download the BIOS.
4. Open the .zip file and extract the two files: "3310.fd" and "Flashit.exe" onto your thumb drive. Rename "3310.fd" to "zg5ia32.fd"
5.Insert the thumb drive into your powered off Netbook.
6.Press and hold down the "Fn" and "Esc" keys and turn on the Netbook while still holding these keys for about 30 seconds, then let go.
7. Your Netbook should stay black for anywhere from 2-4 minutes or so. Once it restarts, safely remove your thumb drive, and charge it for a while. It should successfully hold a charge from now on.
I hope you find it very helpful. Thank you for using fixya.
Possible that the charger is deficient in voltage and so is not delivering the required current for the battery to charge. You need to use a multimeter to check the charger, connect and measure the voltage at the battery terminal on the phone. It can also be a weak battery or shorted battery they can also show the symptom of no charging.
Ideal to get another charger battery from a friend to confirm before you buy one.
Ifthe battery is more than 3 - 4 years old then the battery could be wornout. Rechargeable batteries have a finite number of charge and discharge cyclesand will lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up atall.
ORThe battery shows a 100% charge but when the adapter is disconnected thebattery drops off to zero capacity in a very short time.
Ifthe battery drops to an unacceptable charge level then the battery needs to bereplaced.
i think its a motherborad power line problem. the voltage does not pass to the battery , if you are not tech call a specialist to troubshoot your motherbord, or if you can open it i will help you to test the component that can cause this problem. good luck