Bottom Case Base For Lenovo B50 Series B50-70 B50-80 Laptop
New Laptop Hdd Base Bottom Case Cover Door For Lenovo B50-70 B50-45 B50-30 N50-80 N50-75 Ap14k000c00 Hard Disk Hdd Cover - Laptop Bags & Cases - AliExpress
Lenovo B50-50 - How to change or upgrade the hard disk - YouTube