Compatible Models: For LENOVO ideacentre A540-27ICB All-in-One F0EK, A540-24ICB All-in-One F0EL, A540-24API All-in-One F0EMAIO ^^ MPN or Part Number01LM916 NS-C236 NS-C942 5C50Z66263 ^^ Package includesPower Switch ON-FF Button Board/Power Switch bouton ^^ Please check both the model and picture before purchase. ^^ Easy for you replace your faulty, cracked or broken one, seller remind that you should replace this in the off state.