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 newCompatible Models:For Lenovo Thinkpad T440 T440P T440s T431 E431 L440 T450s L440 L450 L460 L470 T431S T450 e440 e431S T460 【Compatible Model】For Lenovo Thinkpad T440 T440P T440s T431 E431 L440 T450s L440 L450 L460 L470 T431S T450 e440 e431S T460 【Compatible part numbers】04W2250 04W3025 04W2369 04W3063 04W3174 04X1277 04X1315 04Y2726 04Y2763 04X0264 0C02253 0C44074 0C45291 SN20K93235 69302XT 01AX080 SN5324 0C45328 04Y2763 04X0139 C43944 45X15S 04Y0858 04Y0896 00HW837 00HW867 00HW906 00UR385 00UR425 00XH699 01AX310 01AX340 01YR118 01YT130 01YT172 04X0101 04X0131 04X0139 04X0169 04Y0824 04Y0854 04Y0862 04Y0892 PK130X72A00 MP-12M13US-4442W 【You Can Get】Keyboard x 1. Original replacement US layout. 【Safe】Easy for you replace your faulty, cracked or broken keyboard, seller remind that you should replace the keyboard in the off state. 【Note】Please cheak whether this keyboard fits your laptop or not easily before bidding. UPC 724813176478 ASIN B08W1WK3V6 Brand Siakoocty Color black Model Name T440 T440P T440S T431 L440 T450S L440 E431 T460 T450 Style Name Contemporary Unit Count 1 Count Item Weight 200 g Switch Type Membrane Manufacturer LXDDP-1 Model Number T440 BuiltIn Media Keyboard Series Number 40 Number of Keys 84 Button Quantity 104 Keyboard Layout QWERTY Number of Items 1 Number of Packs 1 Antenna Location Personal Hand Orientation Ambidextrous Compatible Devices Laptop Enclosure Material Plastic Number of Sections 1 Additional Features No Backlit Keyboard Description wireless Warranty Description 90 days Water Resistance Level Not Water Resistant Connectivity Technology PS/2 Compatible Operating System Family Windows Keyboard Backlighting Color Support Single Color Minimum Required Operating System Version Windows 1