Switching power plans require you to open Power Options applet from Control Panel, or from the Start button’s right-click menu which can also accessed by pressing Win + X. This post tells you how to switch power plans using command-line or shortcut, which you can also implement in the context menu if you use it frequently.Read more
The lock screen which exists in Windows 8 and higher is an additional screen with a background image. The lock screen, which conceals the login screen, shows the time and date, quick status of running apps and the current Windows Spotlight image details.
After 60 seconds of no user activity, the lock screen display turns off to conserve power. This timeout applies when you lock the device or workstation, as well as during startup.Read more