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Hello! I have reviewed the user guide for the NB-1401 laptop, which details the steps for upgrading its CPU, RAM, and HDD. The document provides instructions on how to disassemble the laptop and access internal components. I'm ready to answer your questions about this guide and the related procedures.
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What is the first step for CPU & RAM upgrade?
How many screws to loosen for bottom cover removal?
What is the first step for HDD upgrade?