Lenovo Legion Y520 disassembly, keyboard replacement, memory upgrade and HDD upgrade PART I

Lenovo Legion Y520 disassembly, keyboard replacement, memory upgrade and HDD upgrade PART I, тhe keyboard doesn&work and needs to be replaced, upgrading the memory from 8 GB to 16 GB and adding a 2 TB hard drive. Chapters: 00 Intro 01:23 Lower Case removal 02:50 Battery 45Wh 3cell Removal 03:31 NVMe Removal Storage 04:19 Click Board removal 04:50 Sata III Cable Removal 05:48 I/O Board L 80WK removal 06:22 Wireless LAN adapters Cable Removal 06:42 Fan L 80WK Removal, DC-IN Cable and LCD cable removal 08:23 Bios Battery with plate removal 09:44 Metal Removal 14:39 Motherboard removal 18:40 Speakers removal 20:23 Hinge L 80WK L+R unscrewing 20:40 Plastic removal keyboard 22:04 Upper Case Keyboard removal