Lenovo Y520-15IKBN Notebook Model 80WK upgrade DDR4 RAM and M.2 2280 SSD 2019 - YouTube
Lenovo Legion Y520-15IKBN Repair - iFixit
Amazon.com: QUETTERLEE Replacement New Laptop CPU Cooling Fan for Lenovo Legion GTX1050 R720-15IKB R720-15IKBN Y520-15IKBA Y520-15IKBM Y520-15IKBN Series EF75090S1-C060-S9A EF75090S1-C070-S9A DC5V 2.25W Fan : Electronics