I went to start the computer this morning and it wouldn't boot up. For a second, a message flashed stating that the "battery is critically low". However, the computer is plugged in and should have power going to it.
Unplug power adapter, remove battery,hold power button down for ten seconds and then plug power adapter. check to see if the light on the power adapter is on. if the light on the power adapter doesn't light up on the little black box then the adapter is bad. this could not be charging your battery.
You should have a light on the notebook indicating that the power supply is plugged in (this should come on with or without the laptop being turned on). My acer has a green light for power, and the battery indicator shows amber for charging and green for full. If you are not seeing the power or charging indicators, you either have a damaged power jack, or a damaged power supply. Power supplies can be purchased usually for fairly cheap online, but if your power jack is damaged, the laptop will have to be serviced by a service center, or by someone who is skilled with a soldering iron and the disassembly and reassembly of laptops.
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