The ThinkPad T540 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.
DP/N: 04X5553 55.4LO04.001G
Cable Length: 12.5cm / 4.92 inch.
Condition: New and Original, unused in perfect condition.
Warrany: One (1) Year Limited Warranty
Compatible with Thinkpad T540 T540P W540 W541 series.
Package included:
1 * Power button board w/Cable