Introduction
Use this guide to replace the lower case on a Acer Chromebook CB315-4H-P8FZ.
Tools
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Remove the ten 6 mm Phillips screws that secure the lower case.
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Insert an opening pick in the seam between the lower case and chassis.
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Slide the opening pick around the perimeter of the device, prying every couple of centimeters, until the lower case fully releases.
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Remove the lower case.
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.