Introduction
This guide will show you, step-by-step, how to replace the battery of an HP Pavilion 15-cs3xxx laptop. The battery provides power to the laptop while it's not plugged into the charging adapter/power outlet.
Before starting, make sure to power off and unplug your laptop from any power source.
While unlikely, if you're replacing a battery because it's swollen, make sure to handle it carefully to minimize the chance of it catching fire. Also make sure to take your time while following this guide to avoid damaging other internal components of the laptop.
Tools
Parts
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Power off and unplug the laptop from any power source.
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Flip the laptop over so the bottom is facing up.
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Prior to removing the two screws near the hinge, remove the two rubber feet with a spudger or opening tool.
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Use a Phillips screwdriver to remove the five screws on the underside of the laptop.
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Use an opening tool and picks to carefully pry off the back cover.
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Work your way around the perimeter and release the clips holding the case to the device.
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Remove the back case.
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Following these steps in reverse order to reassemble your device
