Question about Acer Aspire4720 14.1-inch Notebook PC PC Notebook
If you want to get the most out of your battery, then try not to use it very much, and if you run your laptop of a direct power source, the remove it completly, and store it somwhere dry, cool and free from dust. If your battery is really bad, then you can improve it's capacity by freezing it! This however could destroy your battery, so only do it if you have to. Details of someone doing this can be found here: http://aphilosopher.wordpress.com/2008/02/23/freezing-laptop-batteries/
Anyway, in answer to your question, if you are using it of mains power only, then yes, take the battery out.
hope this is helpful,
Posted on Jun 01, 2009
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Posted on Jan 02, 2017
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Check your DC Power Jack which is where the power cord plugs
into the computer is bad. Take an ink pen and push the tip inside the
jack and see if the little pin wiggles, if so the jack is bad. You'll have to
take the laptop apart to fix it. Most times it is soldered onto the
motherboard, so you will have to desolder the old and solder a new one.
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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
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