Device: /org/freedesktop/UPower/devices/DisplayDevice power supply: no updated: 2020년 11월 13일 (금) 오후 06시 19분 30초 (169658 seconds ago) has history: no has statistics: no unknown warning-level: none icon-name: 'battery-missing-symbolic' Daemon: daemon-version: 0.99.11 on-battery: no lid-is-closed: no lid-is-present: no critical-action: HybridSleep