The ThinkPad T580 series power button allows the laptop to turn on and off. If it is broken, the laptop will not receive the signal to boot up. The Board uses an integrated flex cable to connect to the mainboard, NO soldering is required. Compatible Part Number (s): 448.0CW15.0011, LTS-2 Power BD, SC50Q65827 FRU: 01YR478 Cable Overall Length Approx: 3.25 inch / 8.8 cm Reference Compatible with Lenovo Laptop Models: - ThinkPad T580 - ThinkPad P52S Package includes: 1x Power button board w/ Cable

Each Pack come with 1x Power Switch Button Board w/ Cable. The Board uses an integrated flex cable to connect to the mainboard, NO soldering is required. Cable Overall Length Approx: 3.25 inch / 8.8 cm. Compatible Part Numbers: 448.0CW15.0011, LTS-2 Power BD, SC50Q65827. FRU: 01YR478. Compatible with Lenovo ThinkPad T580 P52S series ONLY.