WIN8 System no response how to solve?

WIN8 System No response how to solve?

1, first on the WIN8 desktop press the keyboard "office key +i" combination shortcut keys, open the Settings window, and then select the "Control Panel" option;

2, then in the Control Panel interface to select and open the "program and function";

3, then in the pop-up "programs and Features" window, select the left window to "Enable or turn off Windows features";

4. Select ". ET Framework3.5 (including NET 2.0 and 3.0)" and press "OK" button.