【Solution of keys don't work】If some keys don't work after install ,You can try to reconnect the ribbon cable in case bad connected ,pls use a dry cloth to wipe metal head of the connect ribbon,then try to connect about few times,many customer solve this problem after did this.
Please confirm your mainboard have backlit function ,if not ,please check asin B01M74TH86 for the A1278 keyboard without backlit .
You can press "Ctrl+F" then fill in your laptop model in blank to confirm whether this keyboard fits your laptop or not easily.
*Frame : Yes *Backlit : No *Color : Black *Letter : English *Layout : US Layout *Status : New Original *Remark : Ribbon cable included *Warranty: 6 months
Compatible Models: for HP ProBook 4530S 4535S 4730S 4735S Series
ã€About Us】SUNMALL are specialized in laptop accessories for many years ,we sale thousands of keyboard out every yard and less 1% Customer complaints ,you also can contact with us when you need palce an big order,we would give you the most competitive price, hope the long business with you.