Introduction
This is a very simple process, where laptop batteries usually start to go bad after 2 years, they can easily be purchased online and swapped out for new.
Tools
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Power off your computer before you begin.
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Find and remove the 10 Phillips style body screws on the bottom of the laptop case.
 
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Starting from the front, use a plastic opening tool to separate the bottom of the case from the body of the laptop.
 
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Once the battery is disconnected, lift up on the front of the battery and remove it from the laptop body.
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.