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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.
try these codes
*#06# Show IMEI
*#9999# Show mobile Software Version
*#0837# Show mobile Software Version (instructions)
*#0001# Show Serial Parameters
*#9125# Activates the smiley when charging
*#0523# LCD Contrast
*#9998*228# Battery status (capacity, voltage, temperature)
*#9998*246# Program status
*#9998*289# Change Alarm Buzzer Frequency
*#9998*324# Debug Screens
*#9998*377# EEPROM Error Stack - Use side keys to select values
*#9998*427# Trace Watchdog
*#9998*523# Change LCD contrast
*#9998*544# Jig detect
*#9998*636# Memory status
*#9998*746# SIM File Size
*#9998*778# SIM Service Table
*#9998*785# RTK (Run Time Kernel) errors - if ok then phn is reset, info is put in memory error
*#9998*786# Run, Last UP, Last DOWN
*#9998*837# Mobile Software Version
*#9998*842# Test ******** - Flash the screenlight during 10 sec and vibration activated
*#9998*862# Vocoder Reg - Normal, Earphone or Carkit
*#9998*947# Reset On Fatal Error
*#9998*9266# Yann debug screen (Debug Screens?)
*#9998*9999# Software version
*0001*s*f*t# Changes serial parameters (s=?, f=0.1, t=0.1)
*0002*?# unknown Samsung's comand
*0003*?# unknown Samsung's comand
For Mobile phones SGH (R210, T100, A300...)
if Samsung code is in format *#9998*xxx#
try write in this *#0xxx#
*2767*3855# Full EEPROM Reset (THIS CODE REMMOVES SP-LOCK! but also changes IMEI to 447967-89-400044-0
*2767*2878# Custom EEPROM Reset
Samsung mobile phone codes: Samsung E700
*2767*688# remove USER CODE and SIMLOCK
Samsung mobile phone codes: Samsung V200
Power on the mobile phone without SIM card and type these codes:
*2767*63342# and press green button
*2767*3855# and press green button
*2767*2878# and press green button
*2767*927# and press green button
*2767*7822573738# press button
Phone will be unlocked, but all trims are reseted !!!
Mobile phone must be fully charged
Samsung mobile phone codes: Samsung S500
*2767*MVT# (*2767*688#) E2P MVT Reset