Now, after the specified inactivity time, the screen saver will turn on. In the drop-down list, select the screen saver, in the Wait field specify the inactivity time after which the screen saver will turn on, also check the On resume display logon screen option. In the Screen Saver Settings section, you can specify the idle time after which the computer will be blocked. When plugged in, the PC goes to sleep after.When plugged in, turn off the screen after.