What if the win8.1 Quick Launch option suddenly disappears?

1, open Control Panel-system and security-Power Options-Select the power button features, you can see this window does not have a quick start option

2, this is the Hibernate function is turned off, causing the fast start is not available, the open Hibernate function is the premise of fast start, the lower left corner of the Windows icon Right-command prompt (administrator)

3, copy Open the Sleep command: powercfg/h on, at the Command Prompt window on the right button-paste

4, after pasting, press ENTER to wait a few seconds, can complete the writing of the command to open the sleep function

5, open the Control Panel-system and security-Power Options-Select the power button function, you can see the Quick Launch function option

6, if not checked please click to change the current unavailable settings, you can check the Quick Start function

Note: Turn on the Hibernate function on Quick start.