Power Switch ON-FF Button Board Cable Replacement for MSI MS-16K1 MS-16K2 GS63VR 6RF/7RF GS63VR Stealth Pro WS63 7RK MS-16K3 GS63VR 7RG WS63VR 7RL MS-16K4 GS63 7RD/7RE MS-16K5 GS63 Stealth 8RE MS-16K6 GS63 Stealth 8RD/8RC WS63 8SJ MS-16K7 WS63 8SK/8SL K1F-1004011-H39 K1F-1004015-H39 ^^ This Product Are Tested Before Shipping. ^^ Easy for you replace your faulty, cracked or broken one, seller remind that you should replace this in the off state. ^^ Before purchasing, please confirm that your laptop model matches the product description exactly! ^^ Installation requires disassembling the laptop. For most users, we recommend having a qualified technician perform the installation to ensure proper setup and avoid accidental damage