Introduction
The side button array consists of the volume button, power button, M button and H button. The side button array is connected to the motherboard with a ribbon wire and to the front case with 3 screws. It is simple to remove and replace.
Tools
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            Slide the grey ribbon wire connector clip away from the ribbon wire port on the motherboard using the pointed tip of a spudger. This process will unclip the wire from the motherboard to release connection. 
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            Remove the ribbon wire from the ribbon wire port on the motherboard. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.