HP EliteBook 840 G3 - disassemble for HDD and RAM upgrade or battery replacement

HP EliteBook 840 G3 - disassemble for HDD and RAM upgrade or battery replacement
Simple instructions for how to disassemble HP EliteBook 840 G3 to upgrade HDD, RAM memory or to replace battery.
*battery: 11.4V, 3820mAh
*2 DDR4 memory slots
*M.2 + HDD slot
*backlit keyboard
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 ...