PowerShellがあれば、PowerShellスクリプトで、モニターの電源を切れます。 MonitorPowerOff.ps1 [void][Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") $form=new-object System.Windows.Forms.Form $message=[System.Windows.Forms.Message]::Create($form.Handle,274,61808,2) $nativeWindow=new-object System.Windows.Forms.NativeWindow $nativeWindow.DefWndProc([ref]$message) MonitorPowerOn.ps1 [void][Reflection.Assembly