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
How to check if a PC is configured with backlight keyboard and how to turn it on or off - Lenovo Support US
SOLVED: Laptop not posting and turning on - Lenovo Legion Y520-15IKBN - iFixit
how to turn on backlid on lenovo legion y530, keyboard with backlid, turn on off - YouTube
Lenovo Legion Y520 - Keyboard light - on and off - YouTube
How to turn on ⌨ backlit on Lenovo Legion Yoga Ideapad - keyboard backlight on and off - YouTube
Laptop Backlit Keyboards For Lenovo Y520 Y720 Y530 Y520-15ikbn Type 80wk Uk Key Cap Black Keyboard Red Keys Lcm16f8 Pk1313b4b01 - Replacement Keyboards - AliExpress