How to Turn Off Laptop Screen When Using External Monitor [Tutorial]
keycalled:CsEnabledandmodifyfrom1to0.Restartyourcomputer,thanfollowtheinstructionsaboveandgettochangeadvancedpower ...,IcanlockmyscreenwhenIwalkawaybypressingWindows_Key+L.However,Iwantmyscreenstogoblacksotheydonotuseenergy.,IusetheMonitorOffUtil...。參考影片的文章的如下:


