Reminder 1. Same part number can come in different layouts, Please don't purchase based on part numbers only. There are more than one factories of keyboards, We may ship a compatible part number keyboard if an exact M.P.N. is not available in stock. 2. If your old keyboard doesn't have backlight, you want to buy a backlight keyboard, Please check there is a backlit connector on your motherboard so that you could insert the backlit cable to it to make the backlit feature work. 3. If you need the keys only not whole keyboard, please contact us to check the design of the key hinges before you place an order. 4. Please clean the keyboard connector base on the motherboard and keyboard cable before you install the keyboards. 5. You'd better to use an anti-static tool when your are dealing with the internal laptop parts. 6. After installing the keyboard, you may need to update the driver for your keyboard to work.