2011 14″ Lenovo Thinkpad T420 (NVS4200M) [2nd,2C,M] + RX 460 @ 4Gbps-EC2 (EXP GDC 8.x) + Win10 // DIY HDMI input port: internal & external all in one LCD with button switch
LCD Controller Board Kit with VGA DVI HDMI compatible for THINKPAD T420 T420I T420S B140RW01 B140RW02 B140RW03 14 inch 1600x900|Replacement Parts & Accessories| - AliExpress
For Lenovo Thinkpad T420 T430 T510 T530 W700 Optibay Aluminum 2.5" Ssd Case Hdd Enclosure 2nd Hdd Caddy 12.7mm Sata 3.0 - Hdd & Ssd Enclosure - AliExpress
Refurbished: ThinkPad Laptop T420 Intel Core i5 2nd Gen 2520M (2.50 GHz) 4 GB Memory 320 GB HDD Intel HD Graphics 3000 14.0" Windows 7 Professional 64-Bit - Newegg.com