My dad just gave me his daily driver t520, what upgrades should I consider first? : r/thinkpad
Instalación limpia de Windows 7 - ThinkPad T420, T420s, T520, W520, X220 y X220 Tablet - Lenovo Support CR
Lenovo ThinkPad X220 - Notebookcheck.org
Lenovo ThinkPad X220 500GB Hard Drive w/ Caddy, 10 Pro 64 & Drivers Preinstalled | eBay
De extracción e instalación de pasos de entrada de CC conector, cubierta de la base, ventilador, caja de lápiz digitalizador, y el conjunto de interruptor de pluma - Think Pad X220 Tablet
La huella digital no funciona después de la actualización a Windows 10 - ThinkPad - Lenovo Support AU
DOWNLOAD: Windows 8 Synaptics UltraNav driver (for ThinkPads)–BETA | Kurt Shintaku's Blog