1.US version computer keyboard for Lenovo ThinkPad T400S T410S T410 T410i T420 T420S X220 X220I T510 W510 T520 W520 45N2071 45N2141 45N2211 .
2.Replace your broken or unworkable part with a new one.
3.Each item has been checked and in good condition before shipping.
4.Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts.