My Acer aspire 4930 wont charge the battery. The power source from the wall outlet seems working fine. The power led light is blinking but the laptop refuses to power up. I have tried to use my adapter with another laptop and it worked fine. When i removed the battery and use only the power from the wall outlet, it wont turn on as well. Could it be my motherboard failure? help me please. Btw, sorry for my bad english.
If the power LED on the Notebook is blinking but not turning ON then the issue is related to the power supply unit and service is required.
You have done the right things by working on some process of elimination.
try
removing the battery and the AC adapter from the laptop hold down the power button for about 40 secs then try with power.
IF this doesnt work chances are its a Motherboard failure.
hope this helps a little
Mobo problem, power supply side. Reflow / blow with hot air blower to the smd chips which had a burnt mark on the pcb.
Buy your new battery...or use a car battery
Symptoms of a broken power jack
1. If you wiggle the power cord or the AC Adapter connector on the back of the laptop, the power LED and battery charge LED start to flicker.
2. Battery will not charge in the laptop.
3. Laptop runs fine off a charged battery.
4. With the AC Adapter connected the laptop appears to be dead.
No power LED or battery charge LED activity.
5. Laptop randomly powers off without any warning.
If your laptop is out of warranty, then you can fix the problem by re-soldering DC-IN jack on the system board. If it
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309
Does the laptop appear to boot up and the power LED is on and hard disk LED flashes?
If this is the case then, please click on this link and follow my instruction to determine the fault and possible fix :-
http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen
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