I have an acer aspire 7720. There has been no problems up until now. Now when the charger is plugged in everything is connected, the computer does not recoginize that the charger is plugged in and does not charge. If I wiggle the charger just right it charges for a second then goes back out. It often does not charge shut down either except for rare occasions. I have increased the usage lately, I am not sure if it could have affected the charger.
The problem is the charging connector on your laptop.that pin may loosy connectivity between the pin and the printed circuit board.resolder this pin .if the pin(charging connector ) is damaged replace it. and one more ..first you check the charger's DC out cable . shake gently at the end of the dc cable which is connected in the laptop.if it is loose contact in the cable ,the power LED on your laptop is blinked or glowing.if yes,replace the charger.
Oh, believe it or not. My computer use to do the same thing all the time. Just take the prongs on the plugin and bend them outwards slowly. This will make a tighter fit in the outlet.
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