Lenovo Legion Y520 RAM and M2 SSD upgrade and installation -- Samsung 970 Pro - YouTube
Lenovo Legion Y520 "W" key cap gets out of place when pressed. It's worth mentioning that I took this keycap out of its place a couple of times in the past for
Adding-a-SSD-M-2-to-Y520 - English Community - LENOVO COMMUNITY
DIY - replace hdd on ssd Lenovo Legion Y520-15 and Upgrade ram DDR4 to 8GB or 16GB,DIY tourtial - YouTube