Dell Latitude E5440 Replace Hard Drive / Solid State Drive, RAM and/or Battery 

Pretty easy task, just 5 screws in the back and then slowly work your way around the edges. Don't go too fast or you'll break the plastic tabs.
Products used in this video (affiliate links to help support my channel):
Solid State Hard Drive: amzn.to/2OkMMOn
Samsung 8GB DDR3 12800s Laptop RAM: B00I21G832
Dell E5440 Battery (aftermarket): amzn.to/2GJZT7x
Blue Repair Mat: amzn.to/2QXTSKA
Repair Tools: amzn.to/2tZNWaS
Music from: incompetech.filmmusic.io/song...