Tips: As this AUTENS replacement keyboard is compatible with many series of laptops, please check the pictures and description carefully before bidding. If you are not sure of which kind of keyboard you need, please do not hesitate to contact AUTENS customer service, and we will try our best to help. Or you can press Ctrl+F in the detail page and input your laptop's model number in the frame to check whether this keyboard fits for your laptop or not. Specification Color: Black Letter: English Compatible Model: For Probook 430 G3 Laptop For Probook 430 G4 Laptop For Probook 440 G3 Laptop For Probook 440 G4 Laptop For Probook 445 G3 Laptop For Probook 640 G2 Laptop For Probook 645 G2 Laptop Compatible Part Number: 830323-001, 826367-001, 811839-001, 906764-001 Package: 1x keyboard Worry-Free Warranty: 1 Year Warranty Disclaimer: AUTENS replacement keyboard are all made by AUTENS. Any usage of other brand's trademarks is only to describe those product's compatibility. Please contact us if you have any questions or there are some problems with the keyboard, we will reply as soon as possible and try our best to solve it.

?Note?The backlight may not work if your original keyboard is not a backlit keyboard, so please make sure your laptop has backlight interface in the motherboard. ?Tips for Finding Models? As this AUTENS replacement keyboard is compatible with many series of HP laptops, please press Ctrl+F in the detail page and input your laptop's model number in the frame to check whether this keyboard fits for your laptop or not. ?About AUTENS?AUTENS is specialized in many laptop accessories such as replacement laptop keyboards for years. If you are looking for some other laptop replacement keyboards, please feel free to contact us, and we promise to response it in 24 hours. ?Worry-Free Warranty?AUTENS replacement laptop keyboards are new and fit for your laptop perfectly. AUTENS provides 1 year warranty which create a shopping environment of worry free for you. If some keys don't work after installed, that is not because keyboard is broken but customers do not connect well the ribbon cable of this laptop keyboard with their laptop, in this case please try to reconnect more times. Many customers solve this problem after reconnect it. ?Compatible Models?This replacement laptop keyboard only fits for HP Probook 430 G3/430 G4/440 G3/440 G4/445 G3/640 G2/645 G2 Laptop. Please check the pictures and description carefully before bidding. If you are not sure of which kind of keyboard you need, please do not hesitate to contact AUTENS customer service, and we will try our best to help.