1, open the running box in the desktop environment, enter Gpedit.msc to start the local Group Policy editor;
2, positioning to: Computer Configuration-windows Settings-security Settings-Local policy-security options;
3, on the right list of security options to find "shutdown: Allow the system to shut down without logging in";
Find the corresponding option
4, this option is enabled by default, double click to change it to disabled, and close the local Group Policy editor when finished.
Change state to Disabled
5, press "Win + L" Lock the computer, at this time look at the login interface, the original Power option button disappeared, so as to minimize the occurrence of accidental shutdown (of course, if you directly cut off the power supply ...).
Change settings before and after comparison
To restore the power button on the login interface, simply re-enable the above option settings. Here also remind you, use computer work, pay more attention to save is a good habit.
Lightweight and simple modern applications, powerful desktop programs that you can have on a Windows 8 platform. As the Windows 8.1 update arrives, an operating system that is more user-friendly and easier to operate will appear in front of the user. Quickly into the arms of Windows 8/8.1, experience the most trendy personal operating system.