Features: Compatible model: for HP- laptop G4 G6 CQ43 436 430 431 CQ57 1000 HSTNN-Q72C general models laptop keyboards, please ask if you are not sure. Replace your damaged, cracked, dirty, missing for key or broken keyboard Make your keyboard works again Easy for you replace your faulty,cracked or broken keyboard ,seller remind that you should replace the keyboard in the off state. We tested every keyboard before shipping ,please be assured the purchase. If some keys will don'for t work after installed ,it is not because keyboard is broken but you don'for 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. Specifications: Material: Plastic + Metal Compatible for: HP- Laptop G4 G6 CQ43 436 430 431 CQ57 1000 HSTNN-Q72C etc. Size: Corresponding Model Size Color: Black Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 PC x Keyboard