HP ProBook 4530s - disassemble an old laptop for HDD and RAM upgrade or battery replacement

HP ProBook 4530s - disassemble an old laptop for HDD and RAM upgrade or battery replacement
Simple instructions for how to disassemble HP ProBook 4530s laptop to upgrade HDD, RAM memory or to replace battery.
To be honest it is quite slow so not really worth upgrading unless you use it only for basic tasks.
Laptop specs:
*CPU: Intel Celeron 8840 @1.9GHz
*DDR3 (2 slots)
Music in the background:
Song Tunetank - New Era (No Copyright Music)
Music provided by Tunetank.
Free Download httpsbit.ly3Xwp3gr
Video Link: • Orchestral Epic Horror...