Description Product Description A laptop power switch is a built-in board that allows the user to turn on your laptop by pressing it. It typically works alright for a longer period of time until any liquid or moisture make it not work properly. If you find any sort of issue in the power switch or if the power does not supply to all the part of your laptop then there is not need to worry. We provide the replacement of power switch board for your laptop in case if they are damaged, broken or become faulty due to the moisture or rusting for all the brands including Sony, Dell, Compaq, HP, Apple, Toshiba, and so many more.​ Compatible Devices: Compatible Part Number: Additional Information: Dell Inspiron 14-3421, Dell Inspiron 14-3437, Dell Inspiron 14-5421, Dell Inspiron 14-5437 50.4XP07.021 Product Condition: Brand New Model: Dell Inspiron 14 3421 Type: Power Switch Cable: Included Warranty: Fifteen Days Package Content: 1 x Power Switch Board with Cable