SUNMALL ProBook 4540s - Grey Frame US Layout

Pay Attention: If some keys will don't work after installed ,this is not because keyboard is broken but you don't connect well the ribbon cable of our keyboard 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 *Frame : Yes *Color : Black *Letter : English *Layout : US Layout *Status : New Original *Remark : Ribbon cable included Compatible part numbers: 702237-001 683491-001 701485-001 Compatible Models: Compatible with HP ProBook 4540s 4540 4545s series * Any questions about our keybard,please fell free to contact us .