Take the battery out, plug in the
charger and see if the laptop works.
If it works, the battery may be the
problem.
Check the AC Adapter
Check to make sure the adapter is plugged securely into the wall outlet,
connected firmly to the adapter box and to the back of your laptop.
Most AC adapters have a little light
in them on that rectangular box in the
middle of the cord that lights up when it's getting electricity.
If that light isn't on, try a
different outlet.
Check your fuse or circuit breaker
box and plug a different device into that outlet to make sure there is power to
it.
If it still does not light up, your
adapter could need replacing.
Also check the adapter box for signs
of warmth, as it will generate heat when it's plugged in. No heat means no
power.
Remove the Battery Sometimes it's as simple as a seated battery.
Remove the battery entirely and
clean out any dust, lint or hair that may be clogging the connectors and
preventing a proper connection.
Reseat the battery securely and make
sure the little locking pins that hold your battery in place are securely
fastened and there is no movement.
Fix a Broken Laptop Charger
If your laptop charger seems broken, it's most likely
because the battery will not charge.
You plug in the cord, the lights come on, but the
charging light doesn't change or blinks repeatedly.
When you remove the power cord, the laptop shuts off
instantly due to the depleted battery. There's more than one cause for this,
and it's not always a broken charger.
Check the connection between the charger and the laptop.
It should fit firmly in the DC jack without wiggling.
If it is loose, use electrical tape to hold it in
place so the charger can receive power.
This is a temporary fix, however, because a faulty
connection can create sparks and cause a fire or injury.
A loose connection will just get worse over time, so
have it sent to a DC jack specialist as soon as possible.
Turn off the laptop and flip it upside down. Locate
the latch that secures the battery and slide open.
The battery should pop out; give it a tug if it
doesn't.
Apply a small amount of rubbing alcohol (Methylated
Spirits)to the tip of a cotton swab and use it to clean the battery's
connectors.
Dirt can build up and interfere with the connection,
giving the appearance of a broken charger. Let the alcohol dry completely and
re-insert the battery.
Slide the latch to secure it and plug in the power
cord to test it.
See if the laptop powers on with the charger only and
battery removed.
If it does, the battery is the likely culprit and
should be replaced.
If the charger is truly broken, the only thing to do
is to replace it or the power cord attached to it. Look on the bottom and write
down the part number.
Call the laptop manufacturer for a replacement
charger or search for the part number on eBay.
If you purchase from anyone other than the original
manufacturer, ask for genuine parts to reduce the possibility of problems.
Troubleshoot Mag Safe adaptors
http://support.apple.com/kb/ts1713
Acer laptops allow you to take your work and entertainment
on the go.
You can work on a presentation during a long flight or watch
a DVD in the middle of a park.
Acer laptops can do this because they are powered by
batteries, allowing the laptop to run without having to be plugged into a power
source.
Normally, the battery can be recharged by plugging the
laptop back into a power socket.
But certain problems can keep the battery from charging.Electrical Connection
For laptops to charge, they need to be connected to a
power source.
Although it may look like you have the cable plugged in
correctly on the Acer, make sure that the cord is firmly plugged into the power
socket.
There should be a light on the Acer keyboard as well as a
power symbol on the taskbar for your operating system that tells you whether
the laptop is running off electrical or battery power.
If it is plugged in, make sure that this icon shows that it
is on electrical power.
Also check the socket where the Acer is plugged in and make
sure that it isn't turned off at the main circuit breaker.
Battery
Turn the Acer over and make sure that the battery is
properly placed in the battery compartment. Most laptops will have locks that
keep the battery securely in place.
These locks can sometimes come loose.
Use a piece of strong tape as a temporary measure to keep a
loose battery in place.
Clean the terminals on the battery to ensure that there is a
good connection.
Remove the battery from the battery compartment.
Apply rubbing alcohol to a lint-free cloth. Rub this cloth
over the shiny metal terminals on the battery.
Over time, batteries lose their ability to be recharged.
If neither of the aforementioned steps works, you may just
have a bad battery.
Check with Acer or other vendors to find a replacement for
your model.
BIOS Update
The BIOS (Basic Input Output System) controls a number of
basic functions for a computer, such as assigning the hard drives and other
system functions.
The BIOS also controls the battery charging function.
Certain Acer models have a bad BIOS that operates the
computer normally but doesn't charge the battery.
To solve this problem, you need to perform an operation
called "Flashing the BIOS" where you download a new version of the
BIOS and upload it to your Acer.
Check on the Acer support site to see whether your computer
model could possibly be affected by this.
Adapter
The power adapter, the part that plugs into the Acer from
the power socket, can go bad.
Check for a power light on the adapter.
If the light is not lit, you probably have a bad adapter.
Replacement adapters can be purchased from Acer or other
online vendors.
http://support.acer.com/us/en/default.aspx
http://www.solarum.com/2010/01/03/acer-aspire-battery-not-charging/
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