Introduction
This guide is for those who’ve narrowed down the problem with their connection ports (specifically in this instance USB and Micro-USB ports) being related to the hardware of the chromebook and need those connections to be replaced.
Tools
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            Use an iFixit opening tool to pry the bottom panel up and detach it from the rest of the Chromebook. 
 
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            Remove the two silver screws with a Phillips #1 screwdriver. 
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            Remove the two black screws with a Phillips #1 screwdriver. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.