Pay Attention: If some keys will don't work after installed ,this is not because keyboard is broken ,the most posiibility is ribbon cable don't connect well with your laptop ,pls try to reconnect more times .Many customers solve this problem after did this. We tested every keyboard before shipping ,please be assured the purchase. thanks *Backlit : No *Color : Black *Layout : US keyboard layout *Status : Brand new Compatible Models: for Lenovo IdeaPad B570 B570A B570E B575 B580 B590 B590A Z570 Z575 V570A V570G V570 V570C V575 V580