https://forums.lenovo.com/topic/findpost/2251/4494716/4503683 . Hello, I am really impressed with the in-depth selection of components for a proper C530 upgrade.
I don't think the monitor firmware is regional dependant. To update it, install or update Lenovo Display Control Centerto the latest version and check in Advanced > Firmware Update. Lenovo ThinkColour 2.0. Version 1.0.35161.0.