LCD의 LED 상태 표시등 - ThinkPad R61 (type 7732, 7733, 7734, 7735, 7738, 7742, 7743, 7744, 7751, 7755), T61 (type 6480, 6481, 7658, 7659, 7660, 7661, 7662, 7663, 7664, 7665) - Lenovo Support KR