Lenovo notebook Win8.1 system can not start the camera how to do

        
Reason analysis:
The shutdown action of Win8.1 system defaults to deep sleep, not full shutdown. In the state of setting "Play Windows startup sound", it is not canceled. The Quick Start & rdquo; function is enabled, so the computer performs a wake-up action from deep sleep instead of shutting down and restarting, so the boot sound cannot be heard.
Solution:
1. On the system desktop, left click on the system in the lower right corner to bring the “battery” icon, the following interface appears, select more “power options”;;
2, pop up "Power Options" interface, as shown below, click “ select the power button function & rdquo;;
3, in the pop-up interface, found that some options can not be changed, first click “ change the currently unavailable settings ”;
4, in the following interface, the options that could not be selected before can be changed, you can see the "Enable Quick Start (Recommended)" option (the system is enabled by default), please enable "Quick Start" & rdquo; Uncheck and “Save Changes”.
Win8.1 system default is fast start, and there is no real complete shutdown or boot, so every time the user enters the system, it is only a wake-up in the sleep state, not really boot.