【Compatible Models】This replacement laptop keyboard only fits for Dell Inspiron 3579 3583 3779 5565 5567 5570 5575 5587 7566 7567 7577 7588 5765 5767 5770 5775 7773 7778 7779 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 | 【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 | 【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 | 【Tips for Finding Models】 As this AUTENS replacement keyboard is compatible with many series of Dell 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 | 【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.