Sounds like your power power jack might be loosen.
Make sure your laptop power jack and charger plug tip are securely connected. If power jack is loose you can find laptop power jack on ebay. However, fixing and soldering the power jack requires professional skill.
Also you can try remove the battery and charger/ac adapter/power cord from Acer Aspire your laptop, press and hold the power button for 20 seconds to discharge any residual current inside the laptop. This clears your RAM and is like a hardware reset. Replace the battery and charger/ac adapter/power cord and turn your laptop on.
--Always, the green/blue LED on charger needs to be constantly on. If not, replace the defective charger. Since battery/ ac adapter has its own lifespan and does not last forever, to help you save up some, you can consider getting a Acer Aspire charger under lifetime warranty from store like topmic.com
Wish the Best.
· 8 years ago