Lenovo X220 - disassemble an old laptop for HDD and RAM upgrade or battery replacement

Lenovo X220 - disassemble an old laptop for HDD and RAM upgrade or battery replacement
Simple instructions for how to disassemble Lenovo X220 laptop to upgrade HDD, RAM memory or to replace battery.
With 6 GB of RAM memory, SSD disk and win10, it can still serve good for a less demanding user and simple tasks.
Music in the background:
Song: Tunetank - African Sunrise (No Copyright Music)
Music provided by Tunetank.
Free Download: bit.ly/456zB8c
Listen on Spotify: sptfy.com/OZOV
Video Link: • Inspiring Adventurous African Music (...
• Inspiring Adventurous ...